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CVE-2020-3167

20
FAUCET Score

CVE-2020-3167 is a command injection vulnerability in the CLI of Cisco FXOS Software and Cisco UCS Manager Software, allowing an authenticated, local attacker to execute arbitrary OS commands. The vulnerability stems from insufficient input validation, enabling an attacker to inject crafted arguments into specific commands. This flaw carries a CVSSv3 score of 7.8 (High), indicating that a low-privileged local attacker can achieve high impact on confidentiality, integrity, and availability, with root privileges on Cisco UCS 6400 Series Fabric Interconnects. While there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB) is currently unavailable, and community discussion is limited.

Impacted Technologies

VendorProductVersion(s)CPE
>= 6.2.2, < 6.2.3.13CPE matchmatch criteria
cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*
>= 6.3.0, < 6.4.0.8CPE matchmatch criteria
cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*
>= 6.5.0, < 6.5.0.2CPE matchmatch criteria
cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*
>= 9.8, < 9.9.2.66CPE matchmatch criteria
cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*
>= 9.10, < 9.12.3.6CPE matchmatch criteria
cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.48%
Probability of exploitation in next 30 days
EPSS Percentile
38.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0048 is in the 79th percentile among its peer group of 16,985 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, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 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-20200226-fxos-ucs-cmdinj
Vendor Advisory