CVE-2020-3252: cisco cisco ucs director Improper Input Validation
Vulnerability summary
CVE-2020-3252 is a critical (CVSS 9.8) Improper Input Validation vulnerability in cisco cisco ucs director. EPSS estimates a 5.33% chance of exploitation in the next 30 days, higher than 92.5% of scored vulnerabilities.
Timeline
- 15-04-2020PublishedVulnerability first disclosed.
- 15-11-2024Last modifiedVulnerability information updated.
Description
Multiple vulnerabilities in the REST API of Cisco UCS Director and Cisco UCS Director Express for Big Data may allow a remote attacker to bypass authentication or conduct directory traversal attacks on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
CVSS metrics
4 scores · 2 sources · 3 versions- NVDNIST9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
5.33%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
0.00 pp
From 5.33% 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-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
Affected systems
Cisco3 products
- cisco ucs directorn/a
- ucs_director6.0.0.0 | 6.0.0.1 | 6.0.1.0 | 6.0.1.1 | 6.0.1.2 | 6.0.1.3 | 6.5.0.0 | 6.5.0.1 | 6.5.0.2 | 6.5.0.3 | 6.5.0.4 | 6.6.0.0 | 6.6.1.0 | 6.6.2.0 | 6.7.0.0 | 6.7.1.0 | 6.7\(2.0\) | 6.7.3.0
- ucs_director_express_for_big_data≤ 3.7.3.0
1 vendor · 3 products
References
1 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsd-mult-vulns-UNfpdW4EVendor AdvisoryX Refsource CISCO