GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2022-34471 (GCVE-0-2022-34471)

Vulnerability from cvelistv5 – Published: 2022-12-22 00:00 – Updated: 2025-04-15 18:48
VLAI
Summary
When downloading an update for an addon, the downloaded addon update's version was not verified to match the version selected from the manifest. If the manifest had been tampered with on the server, an attacker could trick the browser into downgrading the addon to a prior version. This vulnerability affects Firefox < 102.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-15 18:48 UTC
CWE
  • Compromised server could trick a browser into an addon downgrade
  • CWE-345 - Insufficient Verification of Data Authenticity
Assigner
References
Impacted products
Vendor Product Version CPE status
Mozilla Firefox Affected: unspecified , < 102 (custom)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T09:15:15.262Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2022-24/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1766047"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-34471",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-15T18:48:29.939294Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-345",
                "description": "CWE-345 Insufficient Verification of Data Authenticity",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-15T18:48:58.793Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "102",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "When downloading an update for an addon, the downloaded addon update\u0027s version was not verified to match the version selected from the manifest. If the manifest had been tampered with on the server, an attacker could trick the browser into downgrading the addon to a prior version. This vulnerability affects Firefox \u003c 102."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Compromised server could trick a browser into an addon downgrade",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-12-22T00:00:00.000Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2022-24/"
        },
        {
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1766047"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2022-34471",
    "datePublished": "2022-12-22T00:00:00.000Z",
    "dateReserved": "2022-06-24T00:00:00.000Z",
    "dateUpdated": "2025-04-15T18:48:58.793Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2022-34471",
      "date": "2026-09-16",
      "epss": "0.00248",
      "percentile": "0.16281"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"102.0\", \"matchCriteriaId\": \"D117FB2D-9780-4CCE-BAD9-AC6A81500598\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"When downloading an update for an addon, the downloaded addon update\u0027s version was not verified to match the version selected from the manifest. If the manifest had been tampered with on the server, an attacker could trick the browser into downgrading the addon to a prior version. This vulnerability affects Firefox \u003c 102.\"}, {\"lang\": \"es\", \"value\": \"Al descargar una actualizaci\\u00f3n para un complemento, no se verific\\u00f3 que la versi\\u00f3n de la actualizaci\\u00f3n del complemento descargada coincidiera con la versi\\u00f3n seleccionada en el manifiesto. Si el manifiesto hubiera sido manipulado en el servidor, un atacante podr\\u00eda enga\\u00f1ar al navegador para que degradara el complemento a una versi\\u00f3n anterior. Esta vulnerabilidad afecta a Firefox \u0026lt; 102.\"}]",
      "id": "CVE-2022-34471",
      "lastModified": "2024-11-21T07:09:38.260",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N\", \"baseScore\": 6.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 3.6}]}",
      "published": "2022-12-22T20:15:31.500",
      "references": "[{\"url\": \"https://bugzilla.mozilla.org/show_bug.cgi?id=1766047\", \"source\": \"security@mozilla.org\", \"tags\": [\"Issue Tracking\", \"Permissions Required\", \"Vendor Advisory\"]}, {\"url\": \"https://www.mozilla.org/security/advisories/mfsa2022-24/\", \"source\": \"security@mozilla.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://bugzilla.mozilla.org/show_bug.cgi?id=1766047\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Issue Tracking\", \"Permissions Required\", \"Vendor Advisory\"]}, {\"url\": \"https://www.mozilla.org/security/advisories/mfsa2022-24/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "security@mozilla.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-noinfo\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-34471\",\"sourceIdentifier\":\"security@mozilla.org\",\"published\":\"2022-12-22T20:15:31.500\",\"lastModified\":\"2026-06-17T04:50:24.970\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"When downloading an update for an addon, the downloaded addon update\u0027s version was not verified to match the version selected from the manifest. If the manifest had been tampered with on the server, an attacker could trick the browser into downgrading the addon to a prior version. This vulnerability affects Firefox \u003c 102.\"},{\"lang\":\"es\",\"value\":\"Al descargar una actualizaci\u00f3n para un complemento, no se verific\u00f3 que la versi\u00f3n de la actualizaci\u00f3n del complemento descargada coincidiera con la versi\u00f3n seleccionada en el manifiesto. Si el manifiesto hubiera sido manipulado en el servidor, un atacante podr\u00eda enga\u00f1ar al navegador para que degradara el complemento a una versi\u00f3n anterior. Esta vulnerabilidad afecta a Firefox \u0026lt; 102.\"}],\"affected\":[{\"source\":\"security@mozilla.org\",\"affectedData\":[{\"vendor\":\"Mozilla\",\"product\":\"Firefox\",\"versions\":[{\"version\":\"unspecified\",\"lessThan\":\"102\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-04-15T18:48:29.939294Z\",\"id\":\"CVE-2022-34471\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-345\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"102.0\",\"matchCriteriaId\":\"D117FB2D-9780-4CCE-BAD9-AC6A81500598\"}]}]}],\"references\":[{\"url\":\"https://bugzilla.mozilla.org/show_bug.cgi?id=1766047\",\"source\":\"security@mozilla.org\",\"tags\":[\"Issue Tracking\",\"Permissions Required\",\"Vendor Advisory\"]},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2022-24/\",\"source\":\"security@mozilla.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://bugzilla.mozilla.org/show_bug.cgi?id=1766047\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Permissions Required\",\"Vendor Advisory\"]},{\"url\":\"https://www.mozilla.org/security/advisories/mfsa2022-24/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2025-05-29T02:25:24+00:00",
      "cve": "CVE-2022-34471",
      "id": "CVE-2022-34471",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2022-34471",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-34471.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-02T02:10:48Z",
      "cve": "CVE-2022-34471",
      "id": "CVE-2022-34471",
      "initial_release_date": "2023-02-15T03:24:57Z",
      "product_status:known_affected": "1",
      "product_status:recommended": "359",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-34471",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-34471.json",
      "version": "28"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://www.mozilla.org/security/advisories/mfsa2022-24/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://bugzilla.mozilla.org/show_bug.cgi?id=1766047\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T09:15:15.262Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-34471\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-04-15T18:48:29.939294Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-345\", \"description\": \"CWE-345 Insufficient Verification of Data Authenticity\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-04-15T18:48:53.754Z\"}}], \"cna\": {\"affected\": [{\"vendor\": \"Mozilla\", \"product\": \"Firefox\", \"versions\": [{\"status\": \"affected\", \"version\": \"unspecified\", \"lessThan\": \"102\", \"versionType\": \"custom\"}]}], \"references\": [{\"url\": \"https://www.mozilla.org/security/advisories/mfsa2022-24/\"}, {\"url\": \"https://bugzilla.mozilla.org/show_bug.cgi?id=1766047\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"When downloading an update for an addon, the downloaded addon update\u0027s version was not verified to match the version selected from the manifest. If the manifest had been tampered with on the server, an attacker could trick the browser into downgrading the addon to a prior version. This vulnerability affects Firefox \u003c 102.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"Compromised server could trick a browser into an addon downgrade\"}]}], \"providerMetadata\": {\"orgId\": \"f16b083a-5664-49f3-a51e-8d479e5ed7fe\", \"shortName\": \"mozilla\", \"dateUpdated\": \"2022-12-22T00:00:00.000Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-34471\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-04-15T18:48:58.793Z\", \"dateReserved\": \"2022-06-24T00:00:00.000Z\", \"assignerOrgId\": \"f16b083a-5664-49f3-a51e-8d479e5ed7fe\", \"datePublished\": \"2022-12-22T00:00:00.000Z\", \"assignerShortName\": \"mozilla\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.