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FKIE_CVE-2025-54995

Vulnerability from fkie_nvd - Published: 2025-08-28 15:16 - Updated: 2026-06-17 09:41
Severity
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 18.26.4 and 18.9-cert17, RTP UDP ports and internal resources can leak due to a lack of session termination. This could result in leaks and resource exhaustion. This issue has been patched in versions 18.26.4 and 18.9-cert17.
References
security-advisories@github.comhttps://github.com/asterisk/asterisk/commit/0278f5bde14565c6838a6ec39bc21aee0cde56a9Patch
security-advisories@github.comhttps://github.com/asterisk/asterisk/commit/eafcd7a451dcd007dddf324ac37dd55a4808338dPatch
security-advisories@github.comhttps://github.com/asterisk/asterisk/pull/1405Issue Tracking
security-advisories@github.comhttps://github.com/asterisk/asterisk/pull/1406Issue Tracking
security-advisories@github.comhttps://github.com/asterisk/asterisk/security/advisories/GHSA-557q-795j-wfx2Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/10/msg00006.html
Impacted products
Vendor Product Version
sangoma asterisk *
sangoma certified_asterisk *
sangoma certified_asterisk 18.9
sangoma certified_asterisk 18.9
sangoma certified_asterisk 18.9
sangoma certified_asterisk 18.9
sangoma certified_asterisk 18.9
sangoma certified_asterisk 18.9
sangoma certified_asterisk 18.9
sangoma certified_asterisk 18.9
sangoma certified_asterisk 18.9
sangoma certified_asterisk 18.9
sangoma certified_asterisk 18.9
sangoma certified_asterisk 18.9
sangoma certified_asterisk 18.9
sangoma certified_asterisk 18.9
sangoma certified_asterisk 18.9
sangoma certified_asterisk 18.9
sangoma certified_asterisk 18.9
sangoma certified_asterisk 18.9
sangoma certified_asterisk 18.9
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "asterisk",
          "vendor": "asterisk",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 18.26.4"
            },
            {
              "status": "affected",
              "version": "\u003c 18.9-cert17"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "ECF978D6-CB7D-469F-A848-8032435EC560",
              "versionEndExcluding": "18.26.4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sangoma:certified_asterisk:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B71A493F-F47B-4F19-AD21-3800DE63DF5A",
              "versionEndExcluding": "18.9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sangoma:certified_asterisk:18.9:cert1:*:*:*:*:*:*",
              "matchCriteriaId": "79EEB5E5-B79E-454B-8DCD-3272BA337A9E",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sangoma:certified_asterisk:18.9:cert1-rc1:*:*:*:*:*:*",
              "matchCriteriaId": "AD3BBA39-95EC-462F-8F5A-15E8D07CC804",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sangoma:certified_asterisk:18.9:cert10:*:*:*:*:*:*",
              "matchCriteriaId": "D6BF553C-020D-4F99-9995-CA4A4383B2DD",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sangoma:certified_asterisk:18.9:cert11:*:*:*:*:*:*",
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              "vulnerable": true
            },
            {
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              "matchCriteriaId": "890205E3-973D-422E-940A-E9190BA37EFD",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sangoma:certified_asterisk:18.9:cert13:*:*:*:*:*:*",
              "matchCriteriaId": "23100176-0528-448D-B2FA-D3B9B31A249D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sangoma:certified_asterisk:18.9:cert14:*:*:*:*:*:*",
              "matchCriteriaId": "346B29FD-48B4-4121-89FD-45325865E54B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sangoma:certified_asterisk:18.9:cert15:*:*:*:*:*:*",
              "matchCriteriaId": "49798C73-CCC4-4013-8A01-348D6B3D9C5B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sangoma:certified_asterisk:18.9:cert16:*:*:*:*:*:*",
              "matchCriteriaId": "E5019880-BE93-4592-B3E0-C69FA2C47B6F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sangoma:certified_asterisk:18.9:cert2:*:*:*:*:*:*",
              "matchCriteriaId": "892BAE5D-A64E-4FE0-9A99-8C07F342A042",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "1A716A45-7075-4CA6-9EF5-2DD088248A5C",
              "vulnerable": true
            },
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              "vulnerable": true
            },
            {
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              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sangoma:certified_asterisk:18.9:cert7:*:*:*:*:*:*",
              "matchCriteriaId": "F657B046-6C83-48F9-A0B1-C63CDA7FD61D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sangoma:certified_asterisk:18.9:cert8:*:*:*:*:*:*",
              "matchCriteriaId": "6D87C7DE-23EA-4532-A2E4-9BF82ADE12DC",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sangoma:certified_asterisk:18.9:cert8-rc1:*:*:*:*:*:*",
              "matchCriteriaId": "B79A5B46-5CA3-445E-BE47-1711DCD038A1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sangoma:certified_asterisk:18.9:cert8-rc2:*:*:*:*:*:*",
              "matchCriteriaId": "D600B37E-94EA-48DE-B48E-871B3A983721",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:sangoma:certified_asterisk:18.9:cert9:*:*:*:*:*:*",
              "matchCriteriaId": "2FC3A00E-D1C6-467F-8FE7-E8437A527B3C",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 18.26.4 and 18.9-cert17, RTP UDP ports and internal resources can leak due to a lack of session termination. This could result in leaks and resource exhaustion. This issue has been patched in versions 18.26.4 and 18.9-cert17."
    },
    {
      "lang": "es",
      "value": "Asterisk es una centralita privada y un kit de herramientas de telefon\u00eda de c\u00f3digo abierto. Antes de las versiones 18.26.4 y 18.9-cert17, los puertos UDP RTP y los recursos internos pueden filtrarse debido a una falta de finalizaci\u00f3n de la sesi\u00f3n. Esto podr\u00eda resultar en fugas y agotamiento de recursos. Este problema ha sido parcheado en las versiones 18.26.4 y 18.9-cert17."
    }
  ],
  "id": "CVE-2025-54995",
  "lastModified": "2026-06-17T09:41:04.943",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-54995",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-08-28T18:53:35.935192Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-08-28T15:16:02.500",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/asterisk/asterisk/commit/0278f5bde14565c6838a6ec39bc21aee0cde56a9"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/asterisk/asterisk/commit/eafcd7a451dcd007dddf324ac37dd55a4808338d"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Issue Tracking"
      ],
      "url": "https://github.com/asterisk/asterisk/pull/1405"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Issue Tracking"
      ],
      "url": "https://github.com/asterisk/asterisk/pull/1406"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-557q-795j-wfx2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00006.html"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        },
        {
          "lang": "en",
          "value": "CWE-1286"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}



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