CVE-2014-7990

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-11-07 · updated 2026-06-17
Weakness: CWE-20

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.

Affected products

Cisco Air-Ct5760: all versions
Cisco IOS XE: through 3.5e
Cisco Ws-C3850: all versions
Cisco Ws-C3860: all versions

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
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

Get alerted when CVE-2014-7990 or the next vulnerability affects your stack