CVE-2026-20157 (GCVE-0-2026-20157)
Vulnerability from cvelistv5 – Published: 2026-07-15 16:18 – Updated: 2026-08-14 21:00
VLAI
EPSS
VEX
Title
Cisco RoomOS Security Hardening Release - Missing Encryption Vulnerabilities
Summary
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.
The vulnerabilities tracked by CVE-2026-20157 are related to missing encryption that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-311.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 18:06 UTC
CWE
- CWE-311 - Missing Encryption of Sensitive Data
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco RoomOS Software |
Affected:
RoomOS 10.11.2.2
Affected: RoomOS 10.15.2.2 Affected: RoomOS 11.5.4.6 Affected: RoomOS 11.5.2.4 Affected: RoomOS 10.8.2.5 Affected: RoomOS 10.11.5.2 Affected: RoomOS 10.11.3.0 Affected: RoomOS 10.15.5.3 Affected: RoomOS 10.19.2.2 Affected: RoomOS 11.1.3.1 Affected: RoomOS 10.11.6.0 Affected: RoomOS 10.19.3.0 Affected: RoomOS 10.19.4.2 Affected: RoomOS 10.3.2.4 Affected: RoomOS 10.3.4.0 Affected: RoomOS 10.15.3.0 Affected: RoomOS 11.1.4.1 Affected: RoomOS 11.14.2.3 Affected: RoomOS 11.1.2.4 Affected: RoomOS 10.8.3.1 Affected: RoomOS 11.14.2.1 Affected: RoomOS 10.3.3.0 Affected: RoomOS 10.8.4.0 Affected: RoomOS 10.15.4.1 Affected: RoomOS 10.19.5.6 Affected: RoomOS 10.11.4.1 Affected: RoomOS 11.9.3.1 Affected: RoomOS 11.5.3.3 Affected: RoomOS 10.3.2.0 Affected: RoomOS 11.9.2.4 Affected: RoomOS 11.14.3.0 Affected: RoomOS 11.17.2.2 Affected: RoomOS 11.14.4.0 Affected: RoomOS 10.19 StepUpg Affected: RoomOS 11.17.3.0 Affected: RoomOS 11.20.2.3 Affected: RoomOS 11.14.5.0 Affected: RoomOS 11.17.4.0 Affected: RoomOS 11.20.3.0 Affected: RoomOS 11.23.1.6 Affected: RoomOS 11.23.1.8 Affected: RoomOS 11.24.1.5 Affected: RoomOS 11.24.2.4 Affected: RoomOS 11.24.3.0 Affected: RoomOS 11.24.4.1 Affected: RoomOS 11.27.2.0 Affected: RoomOS 11.28.1.3 Affected: RoomOS 11.27.3.0 Affected: RoomOS 11.31.1.5 Affected: RoomOS 11.27.4.0 Affected: RoomOS 11.32.2.1 Affected: RoomOS 11.33.1.7 Affected: RoomOS 26.0.1.2 Affected: RoomOS 11.34.1.2 Affected: RoomOS 11.32.3.0 Affected: RoomOS 11.27.5.0 Affected: RoomOS 11.32.4.0 Affected: RoomOS 26.1.1.5 Affected: RoomOS 11.35.1.2 Affected: RoomOS 26.2.2.2 Affected: RoomOS 11.32.5.1 Affected: RoomOS 26.4.1.6 Affected: RoomOS 26.4.1.4 Affected: RoomOS 26.3.1.3 Affected: RoomOS 11.36.1.1 Affected: RoomOS 11.37.1.0 Affected: RoomOS 26.5.2.0 Affected: RoomOS 11.38.1.1 |
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"vulnrichment": {
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Details within the CNA container below are viewable by clicking on the CNA name.\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2026-08-14T21:00:52.766Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-20157\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-07-15T18:06:08.142512Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-07-15T18:06:13.111Z\"}}], \"cna\": {\"title\": \"Cisco RoomOS Security Hardening Release - Missing Encryption Vulnerabilities\", \"source\": {\"defects\": [\"CSCwu64826\"], \"advisory\": \"cisco-sa-hardening-roomos-AqNMbEq\", \"discovery\": \"INTERNAL\"}, \"metrics\": [{\"format\": \"cvssV3_1\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"ADJACENT_NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"vendor\": \"Cisco\", \"product\": \"Cisco RoomOS Software\", \"versions\": [{\"status\": \"affected\", \"version\": \"RoomOS 10.11.2.2\"}, {\"status\": \"affected\", \"version\": \"RoomOS 10.15.2.2\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.5.4.6\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.5.2.4\"}, {\"status\": \"affected\", \"version\": \"RoomOS 10.8.2.5\"}, {\"status\": \"affected\", \"version\": \"RoomOS 10.11.5.2\"}, {\"status\": \"affected\", \"version\": \"RoomOS 10.11.3.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 10.15.5.3\"}, {\"status\": \"affected\", \"version\": \"RoomOS 10.19.2.2\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.1.3.1\"}, {\"status\": \"affected\", \"version\": \"RoomOS 10.11.6.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 10.19.3.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 10.19.4.2\"}, {\"status\": \"affected\", \"version\": \"RoomOS 10.3.2.4\"}, {\"status\": \"affected\", \"version\": \"RoomOS 10.3.4.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 10.15.3.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.1.4.1\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.14.2.3\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.1.2.4\"}, {\"status\": \"affected\", \"version\": \"RoomOS 10.8.3.1\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.14.2.1\"}, {\"status\": \"affected\", \"version\": \"RoomOS 10.3.3.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 10.8.4.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 10.15.4.1\"}, {\"status\": \"affected\", \"version\": \"RoomOS 10.19.5.6\"}, {\"status\": \"affected\", \"version\": \"RoomOS 10.11.4.1\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.9.3.1\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.5.3.3\"}, {\"status\": \"affected\", \"version\": \"RoomOS 10.3.2.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.9.2.4\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.14.3.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.17.2.2\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.14.4.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 10.19 StepUpg\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.17.3.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.20.2.3\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.14.5.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.17.4.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.20.3.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.23.1.6\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.23.1.8\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.24.1.5\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.24.2.4\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.24.3.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.24.4.1\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.27.2.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.28.1.3\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.27.3.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.31.1.5\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.27.4.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.32.2.1\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.33.1.7\"}, {\"status\": \"affected\", \"version\": \"RoomOS 26.0.1.2\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.34.1.2\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.32.3.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.27.5.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.32.4.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 26.1.1.5\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.35.1.2\"}, {\"status\": \"affected\", \"version\": \"RoomOS 26.2.2.2\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.32.5.1\"}, {\"status\": \"affected\", \"version\": \"RoomOS 26.4.1.6\"}, {\"status\": \"affected\", \"version\": \"RoomOS 26.4.1.4\"}, {\"status\": \"affected\", \"version\": \"RoomOS 26.3.1.3\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.36.1.1\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.37.1.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 26.5.2.0\"}, {\"status\": \"affected\", \"version\": \"RoomOS 11.38.1.1\"}], \"defaultStatus\": \"unknown\"}], \"exploits\": [{\"lang\": \"en\", \"value\": \"The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.\"}], \"references\": [{\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-roomos-AqNMbEq\", \"name\": \"cisco-sa-hardening-roomos-AqNMbEq\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"As part of Cisco\u0027s ongoing commitment to proactive security and product quality, the Cisco RoomOS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.\\r\\n\\r\\nThe vulnerabilities tracked by CVE-2026-20157 are related to missing encryption that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-311.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"cwe\", \"cweId\": \"CWE-311\", \"description\": \"Missing Encryption of Sensitive Data\"}]}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2026-07-15T16:18:04.406Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-20157\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-14T21:00:52.766Z\", \"dateReserved\": \"2025-10-08T11:59:15.387Z\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"datePublished\": \"2026-07-15T16:18:04.406Z\", \"assignerShortName\": \"cisco\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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