Multiple Vulnerabilities in Cisco UCS Director and Cisco UCS Director Express for Big Data

published 2020-04-15 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-24519

cvss: 9.8; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 74.4%; EPSS 74.4% chance of exploitation in 30 days, percentile 99.4%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 23 mo ago (2024-11-15)

Exploit prediction

74.44% chance of exploitation in the next 30 days, higher than 99.4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	9.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

Cisco Cisco UCS Director

Classification

Weakness

CWE-20 Improper Input Validation
CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsd-mult-vulns-UNfpdW4E
vendor-advisory
zerodayinitiative.com /advisories/ZDI-20-543/
third-party-advisory, vdb-entry

Sources

CVE List CVE-2020-3248
NVD CVE-2020-3248

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary