01 Record
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 response, which allows local users to obtain Linux root access
UnratedPUBLISHEDCNA: cisco
CNA base scoreUnratedNo CNA CVSS vector
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.34% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 27.6% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2014-11-07 11:00Z11 YR AGO
- Last updated
- 2024-08-06 13:03Z2 YR AGO
- Reserved
- 2014-10-08
- Assigning CNA
- cisco
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-20Improper Input ValidationClass
- Data version
- 5.1
- Document digest
- 47a900d05bf9cc1026afceed8def911573bc5f5959369c97c5c7ae5795036220
05 Affected products
VendorProductVersionsPlatforms
06 References
- tools.cisco.com20141106 Cisco IOS XE Challenge/Response Bypass Vulnerabilityhttp://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-7990
- tools.cisco.comhttp://tools.cisco.com/security/center/viewAlert.x?alertId=36351
- exchange.xforce.ibmcloud.comciscoiosxe-cve20147990-sec-bypass(98529)https://exchange.xforce.ibmcloud.com/vulnerabilities/98529
- www.securityfocus.com70968http://www.securityfocus.com/bid/70968
- www.securitytracker.com1031179http://www.securitytracker.com/id/1031179