CVE-2025-47913 (GCVE-0-2025-47913)

Vulnerability from cvelistv5 – Published: 2025-11-13 21:29 – Updated: 2025-12-16 16:43
VLAI
Title
Potential denial of service in golang.org/x/crypto/ssh/agent
Summary
SSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will panic and cause early termination of the client process.
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-703 - Improper Handling of Exceptional Conditions
Assigner
Go
References
Impacted products
Credits
Jakub Ciolek Nicola Murino
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "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"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-47913",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-11-13T21:47:44.206349Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-11-13T21:47:50.864Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "golang.org/x/crypto/ssh/agent",
          "product": "golang.org/x/crypto/ssh/agent",
          "programRoutines": [
            {
              "name": "client.SignWithFlags"
            },
            {
              "name": "client.List"
            },
            {
              "name": "agentKeyringSigner.Sign"
            },
            {
              "name": "agentKeyringSigner.SignWithAlgorithm"
            },
            {
              "name": "client.Sign"
            },
            {
              "name": "client.Signers"
            }
          ],
          "vendor": "golang.org/x/crypto",
          "versions": [
            {
              "lessThan": "0.43.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Jakub Ciolek"
        },
        {
          "lang": "en",
          "value": "Nicola Murino"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "SSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will panic and cause early termination of the client process."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-703: Improper Handling of Exceptional Conditions",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-16T16:43:43.633Z",
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
        "shortName": "Go"
      },
      "references": [
        {
          "url": "https://go.dev/cl/700295"
        },
        {
          "url": "https://go.dev/issue/75178"
        },
        {
          "url": "https://github.com/advisories/GHSA-56w8-48fp-6mgv"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2025-4116"
        }
      ],
      "title": "Potential denial of service in golang.org/x/crypto/ssh/agent"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
    "assignerShortName": "Go",
    "cveId": "CVE-2025-47913",
    "datePublished": "2025-11-13T21:29:39.907Z",
    "dateReserved": "2025-05-13T23:31:29.597Z",
    "dateUpdated": "2025-12-16T16:43:43.633Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-47913",
      "date": "2026-06-06",
      "epss": "0.00018",
      "percentile": "0.05012"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-47913\",\"sourceIdentifier\":\"security@golang.org\",\"published\":\"2025-11-13T22:15:51.280\",\"lastModified\":\"2026-01-09T15:32:12.113\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"SSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will panic and cause early termination of the client process.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-617\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:go:ssh:*:*:*:*:*:go:*:*\",\"versionEndExcluding\":\"0.43.0\",\"matchCriteriaId\":\"8CC7C462-0240-4D4B-B289-18AFF9D2BBF5\"}]}]}],\"references\":[{\"url\":\"https://github.com/advisories/GHSA-56w8-48fp-6mgv\",\"source\":\"security@golang.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://go.dev/cl/700295\",\"source\":\"security@golang.org\",\"tags\":[\"Patch\"]},{\"url\":\"https://go.dev/issue/75178\",\"source\":\"security@golang.org\",\"tags\":[\"Exploit\",\"Issue Tracking\"]},{\"url\":\"https://pkg.go.dev/vuln/GO-2025-4116\",\"source\":\"security@golang.org\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-47913\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-11-13T21:47:44.206349Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-11-13T21:47:40.788Z\"}}], \"cna\": {\"title\": \"Potential denial of service in golang.org/x/crypto/ssh/agent\", \"credits\": [{\"lang\": \"en\", \"value\": \"Jakub Ciolek\"}, {\"lang\": \"en\", \"value\": \"Nicola Murino\"}], \"affected\": [{\"vendor\": \"golang.org/x/crypto\", \"product\": \"golang.org/x/crypto/ssh/agent\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"0.43.0\", \"versionType\": \"semver\"}], \"packageName\": \"golang.org/x/crypto/ssh/agent\", \"collectionURL\": \"https://pkg.go.dev\", \"defaultStatus\": \"unaffected\", \"programRoutines\": [{\"name\": \"client.SignWithFlags\"}, {\"name\": \"client.List\"}, {\"name\": \"agentKeyringSigner.Sign\"}, {\"name\": \"agentKeyringSigner.SignWithAlgorithm\"}, {\"name\": \"client.Sign\"}, {\"name\": \"client.Signers\"}]}], \"references\": [{\"url\": \"https://go.dev/cl/700295\"}, {\"url\": \"https://go.dev/issue/75178\"}, {\"url\": \"https://github.com/advisories/GHSA-56w8-48fp-6mgv\"}, {\"url\": \"https://pkg.go.dev/vuln/GO-2025-4116\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"SSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will panic and cause early termination of the client process.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"description\": \"CWE-703: Improper Handling of Exceptional Conditions\"}]}], \"providerMetadata\": {\"orgId\": \"1bb62c36-49e3-4200-9d77-64a1400537cc\", \"shortName\": \"Go\", \"dateUpdated\": \"2025-12-16T16:43:43.633Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-47913\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-12-16T16:43:43.633Z\", \"dateReserved\": \"2025-05-13T23:31:29.597Z\", \"assignerOrgId\": \"1bb62c36-49e3-4200-9d77-64a1400537cc\", \"datePublished\": \"2025-11-13T21:29:39.907Z\", \"assignerShortName\": \"Go\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.