Vulnerability-Lookup

FKIE_CVE-2025-59032

Vulnerability from fkie_nvd - Published: 2026-03-27 09:16 - Updated: 2026-07-15 02:17

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

ManageSieve AUTHENTICATE command crashes when using literal as SASL initial response. This can be used to crash ManageSieve service repeatedly, making it unavailable for other users. Control access to ManageSieve port, or disable the service if it's not needed. Alternatively upgrade to a fixed version. No publicly available exploits are known.

References

URL	Tags
security@open-xchange.com	https://documentation.open-xchange.com/dovecot/security/advisories/csaf/2026/oxdc-adv-2026-0001.json	Vendor Advisory
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:13498
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:13830
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:13857
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:17602
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:17625
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:17626
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:17628
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:17630
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:18053
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:19149
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:19364
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:19453
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:19455
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/errata/RHSA-2026:26564
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://access.redhat.com/security/cve/CVE-2025-59032
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://bugzilla.redhat.com/show_bug.cgi?id=2452172
0b0ca135-0b70-47e7-9f44-1890c2a1c46c	https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-59032.json

Impacted products

	Vendor	Product	Version
	dovecot	dovecot	*
	open-xchange	dovecot	*

JSON

To clipboard

{
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          ],
          "product": "OX Dovecot Pro",
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              "status": "affected",
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              "status": "affected",
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              "version": "1:2.3.21-16.el10_1.1",
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        {
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          "vendor": "Red Hat",
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        {
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          "packageName": "dovecot",
          "product": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions",
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              "version": "1:2.3.16-3.el9_0.1",
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        {
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          "packageName": "dovecot",
          "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
          "vendor": "Red Hat",
          "versions": [
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        {
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          "cpes": [
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          "packageName": "dovecot",
          "product": "Red Hat Enterprise Linux 9.4 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "1:2.3.16-11.el9_4.2",
              "versionType": "rpm"
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          "vendor": "Red Hat",
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          "packageName": "dovecot",
          "product": "Red Hat Enterprise Linux 6",
          "vendor": "Red Hat"
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      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
    }
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  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BE209329-C5EA-4EE7-A23E-CD2EC061A9A4",
              "versionEndExcluding": "2.4.3",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "F42BE52D-7DCD-474A-A2C8-9670C15BC878",
              "versionEndExcluding": "3.1.3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
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      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "ManageSieve AUTHENTICATE command crashes when using literal as SASL initial response. This can be used to crash ManageSieve service repeatedly, making it unavailable for other users. Control access to ManageSieve port, or disable the service if it\u0027s not needed. Alternatively upgrade to a fixed version. No publicly available exploits are known."
    }
  ],
  "id": "CVE-2025-59032",
  "lastModified": "2026-07-15T02:17:30.307",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "security@open-xchange.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-59032",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-03-27T19:41:50.066744Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-03-27T09:16:18.933",
  "references": [
    {
      "source": "security@open-xchange.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://documentation.open-xchange.com/dovecot/security/advisories/csaf/2026/oxdc-adv-2026-0001.json"
    },
    {
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
      "url": "https://access.redhat.com/errata/RHSA-2026:13498"
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    },
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      "url": "https://access.redhat.com/errata/RHSA-2026:17628"
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    {
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      "url": "https://access.redhat.com/errata/RHSA-2026:17630"
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    {
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    },
    {
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    },
    {
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    },
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      "url": "https://access.redhat.com/errata/RHSA-2026:26564"
    },
    {
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
      "url": "https://access.redhat.com/security/cve/CVE-2025-59032"
    },
    {
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2452172"
    },
    {
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-59032.json"
    }
  ],
  "sourceIdentifier": "security@open-xchange.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "security@open-xchange.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-229"
        }
      ],
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
      "type": "Secondary"
    }
  ]
}

CVE-2025-59032 (GCVE-0-2025-59032)

Vulnerability from cvelistv5 – Published: 2026-03-27 08:10 – Updated: 2026-07-15 01:25

Summary

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-20 - Improper Input Validation
CWE-229 - Improper Handling of Values

Assigner

References

18 references

URL	Tags
https://documentation.open-xchange.com/dovecot/se…	vendor-advisory
https://access.redhat.com/security/cve/CVE-2025-59032	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2452172	issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:26564	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:17602	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:13498	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:19149	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:13830	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:19455	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:19453	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:18053	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:17630	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:17628	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:17625	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:17626	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:13857	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:19364	vendor-advisoryx_refsource_REDHAT

Impacted products

18 products

Vendor	Product	Version
Open-Xchange GmbH	OX Dovecot Pro	Affected: 0 , ≤ 3.1.0 (semver) Affected: 0 , ≤ 2.4.0 (semver)
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 1:2.3.21-16.el10_1.1 , < * (rpm) Unaffected: 1:2.3.21-19.el10_2 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.1 cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	Unaffected: 1:2.3.21-16.el10_0.1 , < * (rpm) cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux 7 Extended Lifecycle Support	Unaffected: 1:2.2.36-8.el7_9.1 , < * (rpm) cpe:/o:redhat:rhel_els:7
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 1:2.3.16-7.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support	Unaffected: 1:2.3.8-9.el8_4.1 , < * (rpm) cpe:/a:redhat:rhel_aus:8.4
Red Hat	Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On	Unaffected: 1:2.3.8-9.el8_4.1 , < * (rpm) cpe:/a:redhat:rhel_eus_long_life:8.4
Red Hat	Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support	Unaffected: 1:2.3.16-2.el8_6.1 , < * (rpm) cpe:/a:redhat:rhel_aus:8.6
Red Hat	Red Hat Enterprise Linux 8.6 Telecommunications Update Service	Unaffected: 1:2.3.16-2.el8_6.1 , < * (rpm) cpe:/a:redhat:rhel_tus:8.6
Red Hat	Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions	Unaffected: 1:2.3.16-2.el8_6.1 , < * (rpm) cpe:/a:redhat:rhel_e4s:8.6
Red Hat	Red Hat Enterprise Linux 8.8 Telecommunications Update Service	Unaffected: 1:2.3.16-3.el8_8.1 , < * (rpm) cpe:/a:redhat:rhel_tus:8.8
Red Hat	Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions	Unaffected: 1:2.3.16-3.el8_8.1 , < * (rpm) cpe:/a:redhat:rhel_e4s:8.8
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 1:2.3.16-15.el9_7.1 , < * (rpm) Unaffected: 1:2.3.16-18.el9_8 , < * (rpm) cpe:/a:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions	Unaffected: 1:2.3.16-3.el9_0.1 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.0
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions	Unaffected: 1:2.3.16-8.el9_2.2 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.2
Red Hat	Red Hat Enterprise Linux 9.4 Extended Update Support	Unaffected: 1:2.3.16-11.el9_4.2 , < * (rpm) cpe:/a:redhat:rhel_eus:9.4
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 1:2.3.16-15.el9_6.1 , < * (rpm) cpe:/a:redhat:rhel_eus:9.6
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6

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        {
          "lang": "en",
          "value": "ManageSieve AUTHENTICATE command crashes when using literal as SASL initial response. This can be used to crash ManageSieve service repeatedly, making it unavailable for other users. Control access to ManageSieve port, or disable the service if it\u0027s not needed. Alternatively upgrade to a fixed version. No publicly available exploits are known."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "Improper Input Validation",
              "lang": "en",
              "type": "cwe"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-27T12:33:22.354Z",
        "orgId": "8ce71d90-2354-404b-a86e-bec2cc4e6981",
        "shortName": "OX"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://documentation.open-xchange.com/dovecot/security/advisories/csaf/2026/oxdc-adv-2026-0001.json"
        }
      ],
      "source": {
        "defect": "DOV-8508",
        "discovery": "INTERNAL"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8ce71d90-2354-404b-a86e-bec2cc4e6981",
    "assignerShortName": "OX",
    "cveId": "CVE-2025-59032",
    "datePublished": "2026-03-27T08:10:16.612Z",
    "dateReserved": "2025-09-08T14:22:28.105Z",
    "dateUpdated": "2026-07-15T01:25:53.715Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2025-59032

CVE-2025-59032 (GCVE-0-2025-59032)

Tags

Sightings

Nomenclature