{"api_version":"1","generated_at":"2026-07-24T19:37:12+00:00","cve":"CVE-2013-5557","urls":{"html":"https://cve.report/CVE-2013-5557","api":"https://cve.report/api/cve/CVE-2013-5557.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2013-5557","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2013-5557"},"summary":{"title":"CVE-2013-5557","description":"The Proxy Bypass Content Rewriter feature in the WebVPN subsystem in Cisco Adaptive Security Appliance (ASA) Software 9.1(.2) and earlier allows remote authenticated users to cause a denial of service (device crash or error-recovery event) via an HTTP request that triggers a rewrite, aka Bug ID CSCug91577.","state":"PUBLISHED","assigner":"cisco","published_at":"2015-02-07 04:59:00","updated_at":"2026-05-06 22:30:45"},"problem_types":["NVD-CWE-noinfo","n/a"],"metrics":[{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"6.3","severity":"","vector":"AV:N/AC:M/Au:S/C:N/I:N/A:C","data":{"version":"2.0","vectorString":"AV:N/AC:M/Au:S/C:N/I:N/A:C","baseScore":6.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"}}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/100694","name":"https://exchange.xforce.ibmcloud.com/vulnerabilities/100694","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"title":"IBM X-Force Exchange","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://tools.cisco.com/security/center/viewAlert.x?alertId=37383","name":"http://tools.cisco.com/security/center/viewAlert.x?alertId=37383","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"title":"","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/72529","name":"http://www.securityfocus.com/bid/72529","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"title":"Cisco Adaptive Security Appliance (ASA) Software  CVE-2013-5557 Denial of Service Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5557","name":"http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5557","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Broken Link","Vendor Advisory"],"title":"","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-5557","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-5557","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2013","cve_id":"5557","vulnerable":"1","versionEndIncluding":"9.1\\(2\\)","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"adaptive_security_appliance_software","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-06T17:15:21.435Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"72529","tags":["vdb-entry","x_refsource_BID","x_transferred"],"url":"http://www.securityfocus.com/bid/72529"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"http://tools.cisco.com/security/center/viewAlert.x?alertId=37383"},{"name":"20150206 Cisco Adaptive Security Appliance WebVPN Content Rewriter Denial of Service Vulnerability","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"],"url":"http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5557"},{"name":"cisco-asa-cve20135557-dos(100694)","tags":["vdb-entry","x_refsource_XF","x_transferred"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/100694"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2015-02-06T00:00:00.000Z","descriptions":[{"lang":"en","value":"The Proxy Bypass Content Rewriter feature in the WebVPN subsystem in Cisco Adaptive Security Appliance (ASA) Software 9.1(.2) and earlier allows remote authenticated users to cause a denial of service (device crash or error-recovery event) via an HTTP request that triggers a rewrite, aka Bug ID CSCug91577."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2017-08-28T12:57:01.000Z","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco"},"references":[{"name":"72529","tags":["vdb-entry","x_refsource_BID"],"url":"http://www.securityfocus.com/bid/72529"},{"tags":["x_refsource_CONFIRM"],"url":"http://tools.cisco.com/security/center/viewAlert.x?alertId=37383"},{"name":"20150206 Cisco Adaptive Security Appliance WebVPN Content Rewriter Denial of Service Vulnerability","tags":["vendor-advisory","x_refsource_CISCO"],"url":"http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5557"},{"name":"cisco-asa-cve20135557-dos(100694)","tags":["vdb-entry","x_refsource_XF"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/100694"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"psirt@cisco.com","ID":"CVE-2013-5557","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":"The Proxy Bypass Content Rewriter feature in the WebVPN subsystem in Cisco Adaptive Security Appliance (ASA) Software 9.1(.2) and earlier allows remote authenticated users to cause a denial of service (device crash or error-recovery event) via an HTTP request that triggers a rewrite, aka Bug ID CSCug91577."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"72529","refsource":"BID","url":"http://www.securityfocus.com/bid/72529"},{"name":"http://tools.cisco.com/security/center/viewAlert.x?alertId=37383","refsource":"CONFIRM","url":"http://tools.cisco.com/security/center/viewAlert.x?alertId=37383"},{"name":"20150206 Cisco Adaptive Security Appliance WebVPN Content Rewriter Denial of Service Vulnerability","refsource":"CISCO","url":"http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5557"},{"name":"cisco-asa-cve20135557-dos(100694)","refsource":"XF","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/100694"}]}}}},"cveMetadata":{"assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","assignerShortName":"cisco","cveId":"CVE-2013-5557","datePublished":"2015-02-07T02:00:00.000Z","dateReserved":"2013-08-22T00:00:00.000Z","dateUpdated":"2024-08-06T17:15:21.435Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2015-02-07 04:59:00","lastModifiedDate":"2026-05-06 22:30:45","problem_types":["NVD-CWE-noinfo","n/a"],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:S/C:N/I:N/A:C","baseScore":6.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"},"baseSeverity":"MEDIUM","exploitabilityScore":6.8,"impactScore":6.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*","versionEndIncluding":"9.1\\(2\\)","matchCriteriaId":"365FF0B7-46B2-4593-BF2C-CA753AF42530"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2013","CveId":"5557","Ordinal":"1","Title":"CVE-2013-5557","CVE":"CVE-2013-5557","Year":"2013"},"notes":[{"CveYear":"2013","CveId":"5557","Ordinal":"1","NoteData":"The Proxy Bypass Content Rewriter feature in the WebVPN subsystem in Cisco Adaptive Security Appliance (ASA) Software 9.1(.2) and earlier allows remote authenticated users to cause a denial of service (device crash or error-recovery event) via an HTTP request that triggers a rewrite, aka Bug ID CSCug91577.","Type":"Description","Title":"CVE-2013-5557"},{"CveYear":"2013","CveId":"5557","Ordinal":"2","NoteData":"2015-02-06","Type":"Other","Title":"Published"},{"CveYear":"2013","CveId":"5557","Ordinal":"3","NoteData":"2017-08-28","Type":"Other","Title":"Modified"}]}}}