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

CVE-2025-54090 (GCVE-0-2025-54090)

Vulnerability from cvelistv5 – Published: 2025-07-23 13:19 – Updated: 2025-11-04 21:12
VLAI
Title
Apache HTTP Server: 'RewriteCond expr' always evaluates to true in 2.4.64
Summary
A bug in Apache HTTP Server 2.4.64 results in all "RewriteCond expr ..." tests evaluating as "true". Users are recommended to upgrade to version 2.4.65, which fixes the issue.
Severity
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-23 13:58 UTC
CWE
  • CWE-253 - Incorrect Check of Function Return Value
Assigner
References
Impacted products
Vendor Product Version CPE status
Apache Software Foundation Apache HTTP Server Affected: 2.4.64 (semver)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "LOW",
              "baseScore": 6.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-54090",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-07-23T13:58:58.030527Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-07-23T13:59:25.184Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-04T21:12:43.771Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://news.ycombinator.com/item?id=44666896"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/08/msg00009.html"
          },
          {
            "url": "http://www.openwall.com/lists/oss-security/2025/07/24/2"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Apache HTTP Server",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "status": "affected",
              "version": "2.4.64",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eA bug in Apache HTTP Server 2.4.64 results in all \"RewriteCond expr ...\" tests evaluating as \"true\".\u003cbr\u003e\u003cbr\u003e\u003c/p\u003e\u003cp\u003eUsers are recommended to upgrade to version 2.4.65, which fixes the issue.\u003c/p\u003e"
            }
          ],
          "value": "A bug in Apache HTTP Server 2.4.64 results in all \"RewriteCond expr ...\" tests evaluating as \"true\".\n\n\n\nUsers are recommended to upgrade to version 2.4.65, which fixes the issue."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "text": "moderate"
            },
            "type": "Textual description of severity"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-253",
              "description": "CWE-253 Incorrect Check of Function Return Value",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-23T13:19:25.273Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://httpd.apache.org/security/vulnerabilities_24.html"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2025-07-16T00:00:00.000Z",
          "value": "reported"
        },
        {
          "lang": "en",
          "time": "2025-07-23T00:00:00.000Z",
          "value": "fixed in 2.4.x by r1927361"
        }
      ],
      "title": "Apache HTTP Server: \u0027RewriteCond expr\u0027 always evaluates to true in 2.4.64",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "assignerShortName": "apache",
    "cveId": "CVE-2025-54090",
    "datePublished": "2025-07-23T13:19:25.273Z",
    "dateReserved": "2025-07-16T17:37:08.262Z",
    "dateUpdated": "2025-11-04T21:12:43.771Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-54090",
      "date": "2026-09-14",
      "epss": "0.00742",
      "percentile": "0.5268"
    },
    "microsoft_vex": {
      "current_release_date": "2026-02-18T02:26:17.000Z",
      "cve": "CVE-2025-54090",
      "id": "msrc_CVE-2025-54090",
      "initial_release_date": "2025-07-02T00:00:00.000Z",
      "product_status:fixed": "4",
      "product_status:known_affected": "4",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "Apache HTTP Server: \u0027RewriteCond expr\u0027 always evaluates to true in 2.4.64",
      "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-54090.json",
      "version": "3"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-54090\",\"sourceIdentifier\":\"security@apache.org\",\"published\":\"2025-07-23T14:15:34.177\",\"lastModified\":\"2026-06-17T09:39:24.250\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A bug in Apache HTTP Server 2.4.64 results in all \\\"RewriteCond expr ...\\\" tests evaluating as \\\"true\\\".\\n\\n\\n\\nUsers are recommended to upgrade to version 2.4.65, which fixes the issue.\"},{\"lang\":\"es\",\"value\":\"Un error en Apache HTTP Server 2.4.64 provoca que todas las pruebas \\\"RewriteCond expr ...\\\" se eval\u00faen como \\\"verdaderas\\\". Se recomienda a los usuarios actualizar a la versi\u00f3n 2.4.65, que soluciona el problema.\"}],\"affected\":[{\"source\":\"security@apache.org\",\"affectedData\":[{\"vendor\":\"Apache Software Foundation\",\"product\":\"Apache HTTP Server\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"2.4.64\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L\",\"baseScore\":6.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":2.8,\"impactScore\":3.4}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-07-23T13:58:58.030527Z\",\"id\":\"CVE-2025-54090\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"security@apache.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-253\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:http_server:2.4.64:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"09FA181B-4610-479B-9D03-3FBFCFDD166C\"}]}]}],\"references\":[{\"url\":\"https://httpd.apache.org/security/vulnerabilities_24.html\",\"source\":\"security@apache.org\",\"tags\":[\"Release Notes\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2025/07/24/2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/08/msg00009.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://news.ycombinator.com/item?id=44666896\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-30T03:10:06+00:00",
      "cve": "CVE-2025-54090",
      "id": "CVE-2025-54090",
      "initial_release_date": "2025-07-23T13:19:25.273000+00:00",
      "product_status:known_not_affected": "54",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "httpd: Apache HTTP Server logic flaw",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-54090.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://news.ycombinator.com/item?id=44666896\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/08/msg00009.html\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2025/07/24/2\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-04T21:12:43.771Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6.3, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"LOW\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"LOW\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-54090\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-07-23T13:58:58.030527Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-07-23T13:59:12.223Z\"}}], \"cna\": {\"title\": \"Apache HTTP Server: \u0027RewriteCond expr\u0027 always evaluates to true in 2.4.64\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"other\": {\"type\": \"Textual description of severity\", \"content\": {\"text\": \"moderate\"}}}], \"affected\": [{\"vendor\": \"Apache Software Foundation\", \"product\": \"Apache HTTP Server\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.4.64\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2025-07-16T00:00:00.000Z\", \"value\": \"reported\"}, {\"lang\": \"en\", \"time\": \"2025-07-23T00:00:00.000Z\", \"value\": \"fixed in 2.4.x by r1927361\"}], \"references\": [{\"url\": \"https://httpd.apache.org/security/vulnerabilities_24.html\", \"tags\": [\"vendor-advisory\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"A bug in Apache HTTP Server 2.4.64 results in all \\\"RewriteCond expr ...\\\" tests evaluating as \\\"true\\\".\\n\\n\\n\\nUsers are recommended to upgrade to version 2.4.65, which fixes the issue.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eA bug in Apache HTTP Server 2.4.64 results in all \\\"RewriteCond expr ...\\\" tests evaluating as \\\"true\\\".\u003cbr\u003e\u003cbr\u003e\u003c/p\u003e\u003cp\u003eUsers are recommended to upgrade to version 2.4.65, which fixes the issue.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-253\", \"description\": \"CWE-253 Incorrect Check of Function Return Value\"}]}], \"providerMetadata\": {\"orgId\": \"f0158376-9dc2-43b6-827c-5f631a4d8d09\", \"shortName\": \"apache\", \"dateUpdated\": \"2025-07-23T13:19:25.273Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-54090\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-04T21:12:43.771Z\", \"dateReserved\": \"2025-07-16T17:37:08.262Z\", \"assignerOrgId\": \"f0158376-9dc2-43b6-827c-5f631a4d8d09\", \"datePublished\": \"2025-07-23T13:19:25.273Z\", \"assignerShortName\": \"apache\"}",
      "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.