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

CVE-2020-12605 (GCVE-0-2020-12605)

Vulnerability from cvelistv5 – Published: 2020-07-01 14:33 – Updated: 2024-08-04 12:04
VLAI
Summary
Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may consume excessive amounts of memory when processing HTTP/1.1 headers with long field names or requests with long URLs.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T12:04:21.600Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/envoyproxy/envoy-setec/issues/137"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-fjxc-jj43-f777"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may consume excessive amounts of memory when processing HTTP/1.1 headers with long field names or requests with long URLs."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-07-01T14:33:47.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/envoyproxy/envoy-setec/issues/137"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-fjxc-jj43-f777"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-12605",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may consume excessive amounts of memory when processing HTTP/1.1 headers with long field names or requests with long URLs."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/envoyproxy/envoy-setec/issues/137",
              "refsource": "MISC",
              "url": "https://github.com/envoyproxy/envoy-setec/issues/137"
            },
            {
              "name": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-fjxc-jj43-f777",
              "refsource": "CONFIRM",
              "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-fjxc-jj43-f777"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-12605",
    "datePublished": "2020-07-01T14:33:47.000Z",
    "dateReserved": "2020-05-01T00:00:00.000Z",
    "dateUpdated": "2024-08-04T12:04:21.600Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2020-12605",
      "date": "2026-09-19",
      "epss": "0.01448",
      "percentile": "0.72154"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "FA8EC70B-A398-42FC-84C1-4892D07787F5",
                  "versionEndIncluding": "1.12.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:envoyproxy:envoy:1.13.2:*:*:*:*:*:*:*",
                  "matchCriteriaId": "6FEA6763-6AEC-4081-A4AD-7C0D9C716AE5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:envoyproxy:envoy:1.14.2:*:*:*:*:*:*:*",
                  "matchCriteriaId": "AC44FC52-B495-46D3-B5FC-2B5B5D214102",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may consume excessive amounts of memory when processing HTTP/1.1 headers with long field names or requests with long URLs."
        },
        {
          "lang": "es",
          "value": "Envoy versiones 1.14.2, 1.13.2, 1.12.4 o anteriores, puede consumir cantidades excesivas de memoria cuando se procesan encabezados HTTP/1.1 con nombres de campo largos o peticiones con las URL largas"
        }
      ],
      "id": "CVE-2020-12605",
      "lastModified": "2024-11-21T04:59:54.460",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "MEDIUM",
            "cvssData": {
              "accessComplexity": "LOW",
              "accessVector": "NETWORK",
              "authentication": "NONE",
              "availabilityImpact": "PARTIAL",
              "baseScore": 5.0,
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
              "version": "2.0"
            },
            "exploitabilityScore": 10.0,
            "impactScore": 2.9,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "source": "nvd@nist.gov",
            "type": "Primary",
            "userInteractionRequired": false
          }
        ],
        "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": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2020-07-01T15:15:12.983",
      "references": [
        {
          "source": "cve@mitre.org",
          "tags": [
            "Broken Link"
          ],
          "url": "https://github.com/envoyproxy/envoy-setec/issues/137"
        },
        {
          "source": "cve@mitre.org",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-fjxc-jj43-f777"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Broken Link"
          ],
          "url": "https://github.com/envoyproxy/envoy-setec/issues/137"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-fjxc-jj43-f777"
        }
      ],
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-770"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "FA8EC70B-A398-42FC-84C1-4892D07787F5",
                    "versionEndIncluding": "1.12.4",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:envoyproxy:envoy:1.13.2:*:*:*:*:*:*:*",
                    "matchCriteriaId": "6FEA6763-6AEC-4081-A4AD-7C0D9C716AE5",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:envoyproxy:envoy:1.14.2:*:*:*:*:*:*:*",
                    "matchCriteriaId": "AC44FC52-B495-46D3-B5FC-2B5B5D214102",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may consume excessive amounts of memory when processing HTTP/1.1 headers with long field names or requests with long URLs."
          },
          {
            "lang": "es",
            "value": "Envoy versiones 1.14.2, 1.13.2, 1.12.4 o anteriores, puede consumir cantidades excesivas de memoria cuando se procesan encabezados HTTP/1.1 con nombres de campo largos o peticiones con las URL largas"
          }
        ],
        "id": "CVE-2020-12605",
        "lastModified": "2024-11-21T04:59:54.460",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 5.0,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "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": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2020-07-01T15:15:12.983",
        "references": [
          {
            "source": "cve@mitre.org",
            "tags": [
              "Broken Link"
            ],
            "url": "https://github.com/envoyproxy/envoy-setec/issues/137"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-fjxc-jj43-f777"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Broken Link"
            ],
            "url": "https://github.com/envoyproxy/envoy-setec/issues/137"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-fjxc-jj43-f777"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-770"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2025-11-21T16:54:33+00:00",
      "cve": "CVE-2020-12605",
      "id": "CVE-2020-12605",
      "initial_release_date": "2020-06-30T19:00:00+00:00",
      "product_status:fixed": "4",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "envoy: Resource exhaustion when processing HTTP/1.1 headers with long field names",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-12605.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2025-04-25T05:34:03Z",
      "cve": "CVE-2020-12605",
      "id": "CVE-2020-12605",
      "initial_release_date": "2023-02-15T03:58:56Z",
      "product_status:recommended": "8",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2020-12605",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2020-12605.json",
      "version": "8"
    }
  }
}



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.