CVE-2020-1935

{"id": "CVE-2020-1935", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 2.2}]}, "published": "2020-02-24T22:15:11.980", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00025.html", "tags": ["Broken Link", "Mailing List", "Third Party Advisory"], "source": "security@apache.org"}, {"url": "https://lists.apache.org/thread.html/r127f76181aceffea2bd4711b03c595d0f115f63e020348fe925a916c%40%3Cannounce.tomcat.apache.org%3E", "tags": ["Mailing List", "Vendor Advisory"], "source": "security@apache.org"}, {"url": "https://lists.apache.org/thread.html/r441c1f30a252bf14b07396286f6abd8089ce4240e91323211f1a2d75%40%3Cusers.tomcat.apache.org%3E", "source": "security@apache.org"}, {"url": "https://lists.apache.org/thread.html/r660cd379afe346f10d72c0eaa8459ccc95d83aff181671b7e9076919%40%3Cusers.tomcat.apache.org%3E", "source": "security@apache.org"}, {"url": "https://lists.apache.org/thread.html/r7bc994c965a34876bd94d5ff15b4e1e30b6220a15eb9b47c81915b78%40%3Ccommits.tomee.apache.org%3E", "source": "security@apache.org"}, {"url": "https://lists.apache.org/thread.html/r80e9c8417c77d52c62809168b96912bda70ddf7748f19f8210f745b1%40%3Cusers.tomcat.apache.org%3E", "source": "security@apache.org"}, {"url": "https://lists.apache.org/thread.html/r9ce7918faf347e7aac32be930bf26c233b0b140fe37af0bb294158b6%40%3Cdev.tomcat.apache.org%3E", "source": "security@apache.org"}, {"url": "https://lists.apache.org/thread.html/ra5dee390ad2d60307b8362505c059cd6a726de4d146d63dfce1e05e7%40%3Cusers.tomcat.apache.org%3E", "source": "security@apache.org"}, {"url": "https://lists.apache.org/thread.html/rc31cbabb46cdc58bbdd8519a8f64b6236b2635a3922bbeba0f0e3743%40%3Ccommits.tomee.apache.org%3E", "source": "security@apache.org"}, {"url": "https://lists.apache.org/thread.html/rd547be0c9d821b4b1000a694b8e58ef9f5e2d66db03a31dfe77c4b18%40%3Cusers.tomcat.apache.org%3E", "source": "security@apache.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/03/msg00006.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "security@apache.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00026.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "security@apache.org"}, {"url": "https://security.netapp.com/advisory/ntap-20200327-0005/", "tags": ["Third Party Advisory"], "source": "security@apache.org"}, {"url": "https://usn.ubuntu.com/4448-1/", "tags": ["Third Party Advisory"], "source": "security@apache.org"}, {"url": "https://www.debian.org/security/2020/dsa-4673", "tags": ["Third Party Advisory"], "source": "security@apache.org"}, {"url": "https://www.debian.org/security/2020/dsa-4680", "tags": ["Third Party Advisory"], "source": "security@apache.org"}, {"url": "https://www.oracle.com/security-alerts/cpujan2021.html", "tags": ["Third Party Advisory"], "source": "security@apache.org"}, {"url": "https://www.oracle.com/security-alerts/cpujul2020.html", "tags": ["Third Party Advisory"], "source": "security@apache.org"}, {"url": "https://www.oracle.com/security-alerts/cpuoct2020.html", "tags": ["Third Party Advisory"], "source": "security@apache.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-444"}]}], "descriptions": [{"lang": "en", "value": "In Apache Tomcat 9.0.0.M1 to 9.0.30, 8.5.0 to 8.5.50 and 7.0.0 to 7.0.99 the HTTP header parsing code used an approach to end-of-line parsing that allowed some invalid HTTP headers to be parsed as valid. This led to a possibility of HTTP Request Smuggling if Tomcat was located behind a reverse proxy that incorrectly handled the invalid Transfer-Encoding header in a particular manner. Such a reverse proxy is considered unlikely."}, {"lang": "es", "value": "En Apache Tomcat versiones 9.0.0.M1 hasta 9.0.30, versiones 8.5.0 hasta 8.5.50 y versiones 7.0.0 hasta 7.0.99, el c\u00f3digo de an\u00e1lisis del encabezado HTTP utiliz\u00f3 un enfoque para el an\u00e1lisis de fin de l\u00ednea que permiti\u00f3 a algunos encabezados HTTP no v\u00e1lidos ser analizados como v\u00e1lidos. Esto conllev\u00f3 a una posibilidad de Tr\u00e1fico No Autorizado de Peticiones HTTP si Tomcat se encontraba detr\u00e1s de un proxy inverso que manejaba incorrectamente el encabezado Transfer-Encoding no v\u00e1lido en una manera particular. Tal proxy inverso es considerado improbable."}], "lastModified": "2023-11-07T03:19:36.620", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2EC441A9-309B-4478-A60C-AD9EE2E31C53", "versionEndIncluding": "7.0.99", "versionStartIncluding": "7.0.0"}, {"criteria": "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0CE458D0-7BED-406E-AEDC-0A74D5B2245B", "versionEndIncluding": "8.5.50", "versionStartIncluding": "8.5.0"}, {"criteria": "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "255568C5-7907-4C8C-BD1A-8F1F6061CE17", "versionEndIncluding": "9.0.30", "versionStartIncluding": "9.0.0"}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "67BBBD83-E232-4198-9748-C512D9E0EEDD"}, {"criteria": "cpe:2.3:a:apache:tomcat:9.0.0:milestone1:*:*:*:*:*:*", "vulnerable": true, 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