CVE-2026-20114 (GCVE-0-2026-20114)

Vulnerability from cvelistv5 – Published: 2026-03-25 16:08 – Updated: 2026-03-25 17:34
VLAI?
Summary
A vulnerability in the Lobby Ambassador web-based management API of Cisco IOS XE Software could allow an authenticated, remote attacker to elevate their privileges and access management APIs that would not normally be available for Lobby Ambassador users. This vulnerability exists because parameters that are received by an API endpoint are not sufficiently validated. An attacker could exploit this vulnerability by authenticating as a Lobby Ambassador user and sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to create a new user with privilege level 1 access to the web-based management API. The attacker would then be able to access the device with these new credentials and privileges.
CWE
  • CWE-1286 - Improper Validation of Syntactic Correctness of Input
Assigner
Impacted products
Vendor Product Version
Cisco Cisco IOS XE Software Affected: 16.11.1
Affected: 16.11.1a
Affected: 16.11.1b
Affected: 16.11.2
Affected: 16.11.1s
Affected: 16.12.1
Affected: 16.12.1s
Affected: 16.12.1a
Affected: 16.12.1c
Affected: 16.12.1w
Affected: 16.12.2
Affected: 16.12.1y
Affected: 16.12.2a
Affected: 16.12.3
Affected: 16.12.8
Affected: 16.12.2s
Affected: 16.12.1x
Affected: 16.12.1t
Affected: 16.12.4
Affected: 16.12.3s
Affected: 16.12.3a
Affected: 16.12.4a
Affected: 16.12.5
Affected: 16.12.6
Affected: 16.12.1z1
Affected: 16.12.5a
Affected: 16.12.5b
Affected: 16.12.1z2
Affected: 16.12.6a
Affected: 16.12.7
Affected: 16.12.9
Affected: 16.12.10
Affected: 16.12.10a
Affected: 16.12.11
Affected: 16.12.12
Affected: 16.12.13
Affected: 16.12.14
Affected: 17.1.1
Affected: 17.1.1a
Affected: 17.1.1s
Affected: 17.1.1t
Affected: 17.1.3
Affected: 17.2.1
Affected: 17.2.1r
Affected: 17.2.1a
Affected: 17.2.1v
Affected: 17.2.2
Affected: 17.2.3
Affected: 17.3.1
Affected: 17.3.2
Affected: 17.3.3
Affected: 17.3.1a
Affected: 17.3.1w
Affected: 17.3.2a
Affected: 17.3.1x
Affected: 17.3.1z
Affected: 17.3.4
Affected: 17.3.5
Affected: 17.3.4a
Affected: 17.3.6
Affected: 17.3.4b
Affected: 17.3.4c
Affected: 17.3.5a
Affected: 17.3.5b
Affected: 17.3.7
Affected: 17.3.8
Affected: 17.3.8a
Affected: 17.4.1
Affected: 17.4.2
Affected: 17.4.1a
Affected: 17.4.1b
Affected: 17.4.2a
Affected: 17.5.1
Affected: 17.5.1a
Affected: 17.6.1
Affected: 17.6.2
Affected: 17.6.1w
Affected: 17.6.1a
Affected: 17.6.1x
Affected: 17.6.3
Affected: 17.6.1y
Affected: 17.6.1z
Affected: 17.6.3a
Affected: 17.6.4
Affected: 17.6.1z1
Affected: 17.6.5
Affected: 17.6.6
Affected: 17.6.6a
Affected: 17.6.5a
Affected: 17.6.7
Affected: 17.6.8
Affected: 17.6.8a
Affected: 17.7.1
Affected: 17.7.1a
Affected: 17.7.1b
Affected: 17.7.2
Affected: 17.10.1
Affected: 17.10.1a
Affected: 17.10.1b
Affected: 17.8.1
Affected: 17.8.1a
Affected: 17.9.1
Affected: 17.9.1w
Affected: 17.9.2
Affected: 17.9.1a
Affected: 17.9.1x
Affected: 17.9.1y
Affected: 17.9.3
Affected: 17.9.2a
Affected: 17.9.1x1
Affected: 17.9.3a
Affected: 17.9.4
Affected: 17.9.1y1
Affected: 17.9.5
Affected: 17.9.4a
Affected: 17.9.5a
Affected: 17.9.5b
Affected: 17.9.6
Affected: 17.9.6a
Affected: 17.9.7
Affected: 17.9.5e
Affected: 17.9.5f
Affected: 17.9.8
Affected: 17.9.7a
Affected: 17.9.7b
Affected: 17.11.1
Affected: 17.11.1a
Affected: 17.12.1
Affected: 17.12.1w
Affected: 17.12.1a
Affected: 17.12.1x
Affected: 17.12.2
Affected: 17.12.3
Affected: 17.12.2a
Affected: 17.12.1y
Affected: 17.12.1z
Affected: 17.12.4
Affected: 17.12.3a
Affected: 17.12.1z1
Affected: 17.12.1z2
Affected: 17.12.4a
Affected: 17.12.5
Affected: 17.12.4b
Affected: 17.12.1z3
Affected: 17.12.5a
Affected: 17.12.1z4
Affected: 17.12.5b
Affected: 17.12.5c
Affected: 17.12.5d
Affected: 17.13.1
Affected: 17.13.1a
Affected: 17.14.1
Affected: 17.14.1a
Affected: 17.15.1
Affected: 17.15.1w
Affected: 17.15.1a
Affected: 17.15.2
Affected: 17.15.1b
Affected: 17.15.1x
Affected: 17.15.1z
Affected: 17.15.3
Affected: 17.15.2c
Affected: 17.15.2a
Affected: 17.15.1y
Affected: 17.15.2b
Affected: 17.15.3a
Affected: 17.15.4
Affected: 17.15.3b
Affected: 17.15.4d
Affected: 17.15.4e
Affected: 17.16.1
Affected: 17.16.1a
Affected: 17.17.1
Affected: 17.18.1
Affected: 17.18.1w
Affected: 17.18.1a
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Show details on NVD website

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            {
              "status": "affected",
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            {
              "status": "affected",
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            },
            {
              "status": "affected",
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            },
            {
              "status": "affected",
              "version": "17.1.1s"
            },
            {
              "status": "affected",
              "version": "17.1.1t"
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            {
              "status": "affected",
              "version": "17.1.3"
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            {
              "status": "affected",
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            {
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            {
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              "status": "affected",
              "version": "17.2.3"
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            {
              "status": "affected",
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            {
              "status": "affected",
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            {
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              "status": "affected",
              "version": "17.3.4"
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              "status": "affected",
              "version": "17.3.5"
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              "status": "affected",
              "version": "17.3.4a"
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            {
              "status": "affected",
              "version": "17.3.6"
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              "status": "affected",
              "version": "17.3.4b"
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              "status": "affected",
              "version": "17.3.4c"
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              "status": "affected",
              "version": "17.3.5a"
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            {
              "status": "affected",
              "version": "17.3.5b"
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              "version": "17.6.6a"
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              "status": "affected",
              "version": "17.6.5a"
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              "status": "affected",
              "version": "17.6.7"
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "version": "17.7.1a"
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              "version": "17.7.1b"
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
              "version": "17.12.1w"
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              "version": "17.12.1a"
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
              "version": "17.12.4a"
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              "status": "affected",
              "version": "17.12.5"
            },
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              "version": "17.12.4b"
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              "version": "17.12.1z4"
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              "status": "affected",
              "version": "17.12.5b"
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              "version": "17.12.5c"
            },
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              "status": "affected",
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              "status": "affected",
              "version": "17.13.1"
            },
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              "status": "affected",
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              "status": "affected",
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            },
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              "status": "affected",
              "version": "17.14.1a"
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              "status": "affected",
              "version": "17.15.1"
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              "status": "affected",
              "version": "17.15.1w"
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              "version": "17.15.1a"
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              "status": "affected",
              "version": "17.15.2c"
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              "status": "affected",
              "version": "17.15.2a"
            },
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              "status": "affected",
              "version": "17.15.1y"
            },
            {
              "status": "affected",
              "version": "17.15.2b"
            },
            {
              "status": "affected",
              "version": "17.15.3a"
            },
            {
              "status": "affected",
              "version": "17.15.4"
            },
            {
              "status": "affected",
              "version": "17.15.3b"
            },
            {
              "status": "affected",
              "version": "17.15.4d"
            },
            {
              "status": "affected",
              "version": "17.15.4e"
            },
            {
              "status": "affected",
              "version": "17.16.1"
            },
            {
              "status": "affected",
              "version": "17.16.1a"
            },
            {
              "status": "affected",
              "version": "17.17.1"
            },
            {
              "status": "affected",
              "version": "17.18.1"
            },
            {
              "status": "affected",
              "version": "17.18.1w"
            },
            {
              "status": "affected",
              "version": "17.18.1a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the Lobby Ambassador web-based management API of Cisco IOS XE Software could allow an authenticated, remote attacker to elevate their privileges and access management APIs that would not normally be available for Lobby Ambassador users. \r\n\r This vulnerability exists because parameters that are received by an API endpoint are not sufficiently validated. An attacker could exploit this vulnerability by authenticating as a Lobby Ambassador user and sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to create a new user with privilege level 1 access to the web-based management API. The attacker would then be able to access the device with these new credentials and privileges."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco Product Security Incident Response Team (PSIRT) is aware that a public announcement is available for the vulnerability that is described in this advisory.\r\n\r\nThe Cisco PSIRT is not aware of any malicious use of the vulnerability that is described in this advisory."
        }
      ],
      "metrics": [
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            "integrityImpact": "LOW",
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    "datePublished": "2026-03-25T16:08:17.586Z",
    "dateReserved": "2025-10-08T11:59:15.375Z",
    "dateUpdated": "2026-03-25T17:34:18.687Z",
    "state": "PUBLISHED"
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    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-20114\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-03-25T17:33:47.412777Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-03-25T17:34:11.879Z\"}}], \"cna\": {\"source\": {\"defects\": [\"CSCwq16757\"], \"advisory\": \"cisco-sa-iosxe-lobby-privesc-KwxBqJy\", \"discovery\": \"EXTERNAL\"}, \"metrics\": [{\"format\": \"cvssV3_1\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.4, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", 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\"affected\", \"version\": \"17.4.1a\"}, {\"status\": \"affected\", \"version\": \"17.4.1b\"}, {\"status\": \"affected\", \"version\": \"17.4.2a\"}, {\"status\": \"affected\", \"version\": \"17.5.1\"}, {\"status\": \"affected\", \"version\": \"17.5.1a\"}, {\"status\": \"affected\", \"version\": \"17.6.1\"}, {\"status\": \"affected\", \"version\": \"17.6.2\"}, {\"status\": \"affected\", \"version\": \"17.6.1w\"}, {\"status\": \"affected\", \"version\": \"17.6.1a\"}, {\"status\": \"affected\", \"version\": \"17.6.1x\"}, {\"status\": \"affected\", \"version\": \"17.6.3\"}, {\"status\": \"affected\", \"version\": \"17.6.1y\"}, {\"status\": \"affected\", \"version\": \"17.6.1z\"}, {\"status\": \"affected\", \"version\": \"17.6.3a\"}, {\"status\": \"affected\", \"version\": \"17.6.4\"}, {\"status\": \"affected\", \"version\": \"17.6.1z1\"}, {\"status\": \"affected\", \"version\": \"17.6.5\"}, {\"status\": \"affected\", \"version\": \"17.6.6\"}, {\"status\": \"affected\", \"version\": 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{\"status\": \"affected\", \"version\": \"17.12.1z3\"}, {\"status\": \"affected\", \"version\": \"17.12.5a\"}, {\"status\": \"affected\", \"version\": \"17.12.1z4\"}, {\"status\": \"affected\", \"version\": \"17.12.5b\"}, {\"status\": \"affected\", \"version\": \"17.12.5c\"}, {\"status\": \"affected\", \"version\": \"17.12.5d\"}, {\"status\": \"affected\", \"version\": \"17.13.1\"}, {\"status\": \"affected\", \"version\": \"17.13.1a\"}, {\"status\": \"affected\", \"version\": \"17.14.1\"}, {\"status\": \"affected\", \"version\": \"17.14.1a\"}, {\"status\": \"affected\", \"version\": \"17.15.1\"}, {\"status\": \"affected\", \"version\": \"17.15.1w\"}, {\"status\": \"affected\", \"version\": \"17.15.1a\"}, {\"status\": \"affected\", \"version\": \"17.15.2\"}, {\"status\": \"affected\", \"version\": \"17.15.1b\"}, {\"status\": \"affected\", \"version\": \"17.15.1x\"}, {\"status\": \"affected\", \"version\": \"17.15.1z\"}, {\"status\": \"affected\", \"version\": \"17.15.3\"}, {\"status\": \"affected\", \"version\": \"17.15.2c\"}, {\"status\": \"affected\", \"version\": \"17.15.2a\"}, {\"status\": \"affected\", \"version\": \"17.15.1y\"}, {\"status\": \"affected\", \"version\": \"17.15.2b\"}, {\"status\": \"affected\", \"version\": \"17.15.3a\"}, {\"status\": \"affected\", \"version\": \"17.15.4\"}, {\"status\": \"affected\", \"version\": \"17.15.3b\"}, {\"status\": \"affected\", \"version\": \"17.15.4d\"}, {\"status\": \"affected\", \"version\": \"17.15.4e\"}, {\"status\": \"affected\", \"version\": \"17.16.1\"}, {\"status\": \"affected\", \"version\": \"17.16.1a\"}, {\"status\": \"affected\", \"version\": \"17.17.1\"}, {\"status\": \"affected\", \"version\": \"17.18.1\"}, {\"status\": \"affected\", \"version\": \"17.18.1w\"}, {\"status\": \"affected\", \"version\": \"17.18.1a\"}]}], \"exploits\": [{\"lang\": \"en\", \"value\": \"The Cisco Product Security Incident Response Team (PSIRT) is aware that a public announcement is available for the vulnerability that is described in this advisory.\\r\\n\\r\\nThe Cisco PSIRT is not aware of any malicious use of the vulnerability that is described in this advisory.\"}], \"references\": [{\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-lobby-privesc-KwxBqJy\", \"name\": \"cisco-sa-iosxe-lobby-privesc-KwxBqJy\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability in the Lobby Ambassador web-based management API of Cisco IOS XE Software could allow an authenticated, remote attacker to elevate their privileges and access management APIs that would not normally be available for Lobby Ambassador users. \\r\\n\\r This vulnerability exists because parameters that are received by an API endpoint are not sufficiently validated. An attacker could exploit this vulnerability by authenticating as a Lobby Ambassador user and sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to create a new user with privilege level 1 access to the web-based management API. The attacker would then be able to access the device with these new credentials and privileges.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"cwe\", \"cweId\": \"CWE-1286\", \"description\": \"Improper Validation of Syntactic Correctness of Input\"}]}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2026-03-25T16:08:17.586Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-20114\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-03-25T17:34:18.687Z\", \"dateReserved\": \"2025-10-08T11:59:15.375Z\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"datePublished\": \"2026-03-25T16:08:17.586Z\", \"assignerShortName\": \"cisco\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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