Vulnerability Details : 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 by leveraging administrative privilege, aka Bug ID CSCur09815.
Vulnerability category: Input validation
Products affected by CVE-2014-7990
- cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:ws-c3850:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:ws-c3860:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:air-ct5760:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2014-7990
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2014-7990
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:L/AC:L/Au:S/C:C/I:C/A:C |
3.1
|
10.0
|
NIST |
CWE ids for CVE-2014-7990
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The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2014-7990
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http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-7990
Cisco IOS XE Software Challenge/Response Bypass VulnerabilityVendor Advisory
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http://tools.cisco.com/security/center/viewAlert.x?alertId=36351
Cisco IOS XE Software Challenge/Response Bypass VulnerabilityVendor Advisory
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http://www.securitytracker.com/id/1031179
Cisco IOS XE Flaw in 'request system shell' Command Lets Local Administrative Users Gain Elevated Privileges - SecurityTracker
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https://exchange.xforce.ibmcloud.com/vulnerabilities/98529
Cisco IOS XE challenge response security bypass CVE-2014-7990 Vulnerability Report
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http://www.securityfocus.com/bid/70968
Cisco IOS XE Software CVE-2014-7990 Local Security Bypass Vulnerability
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