CVE-2021-39241

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{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*", "matchCriteriaId": "B980BEF7-FE71-4D99-863E-71EA0A61E67E", "versionEndExcluding": "2.0.24", "versionStartIncluding": "2.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*", "matchCriteriaId": "B8A35038-8767-48F3-B81F-81FCD0B31D32", "versionEndExcluding": "2.2.16", "versionStartIncluding": "2.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*", "matchCriteriaId": "040439D6-C0FC-4550-884E-1B3FB396A5DF", "versionEndExcluding": "2.3.13", "versionStartIncluding": "2.3.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*", "matchCriteriaId": "88FF602C-41E1-4569-B09B-161BB7C85891", "versionEndExcluding": "2.4.3", "versionStartIncluding": "2.4.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in HAProxy 2.0 before 2.0.24, 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. An HTTP method name may contain a space followed by the name of a protected resource. It is possible that a server would interpret this as a request for that protected resource, such as in the \"GET /admin? HTTP/1.1 /static/images HTTP/1.1\" example."}, {"lang": "es", "value": "Se ha detectado un problema en HAProxy versiones 2.0 anteriores a 2.0.24, versiones 2.2 anteriores a 2.2.16, versiones 2.3 anteriores a 2.3.13 y versiones 2.4 anteriores a 2.4.3. Un nombre de m\u00e9todo HTTP puede contener un espacio seguido del nombre de un recurso protegido. Es posible que un servidor interpretar\u00eda esto como una petici\u00f3n de ese recurso protegido, como en el m\u00e9todo \"GET /admin? HTTP/1.1 /static/images HTTP/1.1\"."}], "id": "CVE-2021-39241", "lastModified": "2026-06-17T04:03:23.003", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "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": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-08-17T19:15:08.287", "references": [{"source": "cve@mitre.org", "url": "https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=89265224d314a056d77d974284802c1b8a0dc97f"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ALECUZDIMT5FYGP6V6PVSI4BKVZTZWN/"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RPNY4WZIQUAUOCLIMUPC37AQWNXTWIQM/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4960"}, {"source": "cve@mitre.org", "url": "https://www.mail-archive.com/haproxy%40formilux.org/msg41041.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=89265224d314a056d77d974284802c1b8a0dc97f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ALECUZDIMT5FYGP6V6PVSI4BKVZTZWN/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RPNY4WZIQUAUOCLIMUPC37AQWNXTWIQM/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4960"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.mail-archive.com/haproxy%40formilux.org/msg41041.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2022:0024", "cpe": "cpe:/a:redhat:openshift:4.6::el7", "package": "haproxy-0:2.0.16-4.el8", "product_name": "Red Hat OpenShift Container Platform 4.6", "release_date": "2022-01-12T00:00:00Z"}, {"advisory": "RHSA-2022:0114", "cpe": "cpe:/a:redhat:openshift:4.7::el7", "package": "haproxy-0:2.0.19-2.el7", "product_name": "Red Hat OpenShift Container Platform 4.7", "release_date": "2022-01-19T00:00:00Z"}, {"advisory": "RHSA-2021:5208", "cpe": "cpe:/a:redhat:openshift:4.8::el7", "package": "haproxy-0:2.2.13-2.el8", "product_name": "Red Hat OpenShift Container Platform 4.8", "release_date": "2022-01-05T00:00:00Z"}, {"advisory": "RHSA-2021:4118", "cpe": "cpe:/a:redhat:openshift:4.9::el8", "package": "haproxy-0:2.2.15-2.el8", "product_name": "Red Hat OpenShift Container Platform 4.9", "release_date": "2021-11-10T00:00:00Z"}], "bugzilla": {"description": "haproxy: an HTTP method name may contain a space followed by the name of a protected resource", "id": "1995107", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1995107"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "status": "verified"}, "cwe": "CWE-20", "details": ["An issue was discovered in HAProxy 2.0 before 2.0.24, 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. An HTTP method name may contain a space followed by the name of a protected resource. It is possible that a server would interpret this as a request for that protected resource, such as in the \"GET /admin? HTTP/1.1 /static/images HTTP/1.1\" example.", "haproxy has an input validation flaw that could allow a remote attacker to bypass implemented security restrictions. An HTTP method name may contain a space followed by the name of a protected resource. Given this, It is possible that an server would interpret this as a request for that protected resource. The highest threat from this vulnerability is possible confidentiality concerns."], "name": "CVE-2021-39241", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "haproxy", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "haproxy", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "haproxy", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "haproxy", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:3.11", "fix_state": "Out of support scope", "package_name": "haproxy", "product_name": "Red Hat OpenShift Container Platform 3.11"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Not affected", "package_name": "rh-haproxy18-haproxy", "product_name": "Red Hat Software Collections"}], "public_date": "2021-08-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-39241\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-39241"], "threat_severity": "Moderate"}

{}