CVE-2014-7990 json
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 re…
published 2014-11-07 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-7839
- cvss
- 6.8
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.34% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 6.8 | AV:L/AC:L/Au:S/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
- Technology feeds
References
-
tools.cisco.com
/security/center/content/CiscoSecurityNotice/CVE-2014-7990
vendor-advisory
-
tools.cisco.com
/security/center/viewAlert.x?alertId=36351
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/98529
vdb-entry
-
securityfocus.com
/bid/70968
vdb-entry
-
securitytracker.com
/id/1031179
vdb-entry
Sources
- CVE List CVE-2014-7990
- NVD CVE-2014-7990
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.