CVE-2018-0338: cisco unified_computing_system Improper Input Validation
Vulnerability summary
CVE-2018-0338 is a high (CVSS 7.8) Improper Input Validation vulnerability in cisco unified_computing_system. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.3% of scored vulnerabilities.
Timeline
- 07-06-2018PublishedVulnerability first disclosed.
- 29-11-2024Last modifiedVulnerability information updated.
Description
A vulnerability in the role-based access-checking mechanisms of Cisco Unified Computing System (UCS) Software could allow an authenticated, local attacker to execute arbitrary commands on an affected system. The vulnerability exists because the affected software lacks proper input and validation checks for certain file systems. An attacker could exploit this vulnerability by issuing crafted commands in the CLI of an affected system. A successful exploit could allow the attacker to cause other users to execute unwanted arbitrary commands on the affected system. Cisco Bug IDs: CSCvf52994.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
-0.01 pp
From 0.38% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe 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.
- CWE-863Incorrect AuthorizationThe product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.
Affected systems
Cisco1 product
- unified_computing_system5.5\(203\) | 7.0\(0\)bz\(0.46\) | 9.0\(100.20\)b | 9.1\(1.13\) | 9.9\(0.902\)
1 vendor · 1 product
References
3 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-ucs-accessX Refsource CONFIRMVendor Advisory