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CVE-2020-3240

36
FAUCET Score

CVE-2020-3240 describes multiple vulnerabilities in the REST API of Cisco UCS Director and Cisco UCS Director Express for Big Data, allowing remote attackers to bypass authentication or perform directory traversal. With a CVSS score of 7.3 (High), successful exploitation could lead to high impact on confidentiality, integrity, and availability, though it requires local access and user interaction. While the FAUCET Risk Score is high at 96/100 and it has garnered some community discussion and media coverage, there is currently no evidence of active exploitation, nor is public exploit code available in Metasploit, Nuclei, or ExploitDB.

Impacted Technologies

VendorProductVersion(s)CPE
6.0.0.0CPE matchmatch criteria
cpe:2.3:a:cisco:ucs_director:6.0.0.0:*:*:*:*:*:*:*
6.0.0.1CPE matchmatch criteria
cpe:2.3:a:cisco:ucs_director:6.0.0.1:*:*:*:*:*:*:*
6.0.1.0CPE matchmatch criteria
cpe:2.3:a:cisco:ucs_director:6.0.1.0:*:*:*:*:*:*:*
6.0.1.1CPE matchmatch criteria
cpe:2.3:a:cisco:ucs_director:6.0.1.1:*:*:*:*:*:*:*
6.0.1.2CPE matchmatch criteria
cpe:2.3:a:cisco:ucs_director:6.0.1.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
38.69%
Probability of exploitation in next 30 days
EPSS Percentile
98.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.3869 is in the 99th percentile among its peer group of 759 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsd-mult-vulns-UNfpdW4E
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-20-542
Third Party AdvisoryVDB Entry