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CVE-2014-7990
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…
Medium6.8EPSS 0.34%
- Published
- Updated
- Reserved
- Assigned by
- cisco
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.8 | AV:L/AC:L/Au:S/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 0.34% · top 72% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Weakness
Affected products
n/a
- affected n/a
References (5)
- 20141106 Cisco IOS XE Challenge/Response Bypass Vulnerability (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- http://tools.cisco.com/security/center/viewAlert.x?alertId=36351 (opens in a new tab)x_refsource_CONFIRMx_transferred
- ciscoiosxe-cve20147990-sec-bypass(98529) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 70968 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1031179 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2014-7990)Record last updated .