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CVE-2020-3249

29
FAUCET Score

CVE-2020-3249 describes multiple vulnerabilities in the REST API of Cisco UCS Director and Cisco UCS Director Express for Big Data. These flaws allow a remote, unauthenticated attacker to bypass authentication or perform directory traversal attacks. With a CVSS score of 7.5 (HIGH), the vulnerability is easily exploitable over the network with low complexity, potentially leading to high impact on availability. While the FAUCET Risk Score is high at 91/100, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

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
23.06%
Probability of exploitation in next 30 days
EPSS Percentile
97.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.2306 is in the 96th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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-20-544
Third Party AdvisoryVDB Entry