{"cve":"CVE-2014-7990","nvd":{"published":"2014-11-07T11:55:03.907","modified":"2026-06-17T00:16:03.900","status":"Modified","description":"Cisco IOS XE 3.5E and earlier on WS-C3850, WS-C3860, and AIR-CT5760 devices does not properly parse the \"request system shell\" challenge response, which allows local users to obtain Linux root access by leveraging administrative privilege, aka Bug ID CSCur09815.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-7990","http://tools.cisco.com/security/center/viewAlert.x?alertId=36351","http://www.securityfocus.com/bid/70968","http://www.securitytracker.com/id/1031179","https://exchange.xforce.ibmcloud.com/vulnerabilities/98529"],"products":["cisco:air-ct5760","cisco:ios_xe","cisco:ws-c3850","cisco:ws-c3860"],"source":"nvd","synced_at":"2026-10-19T20:34:45.729216538+00:00"},"epss":{"cve":"CVE-2014-7990","score":0.00344,"percentile":0.27933,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}