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CVE-2024-20272

31
FAUCET Score

CVE-2024-20272 is a critical vulnerability in the web-based management interface of Cisco Unity Connection. This flaw allows an unauthenticated, remote attacker to upload arbitrary files and execute commands on the underlying operating system due to a lack of authentication in a specific API and improper data validation. With a CVSS score of 9.8 (CRITICAL), a successful exploit could lead to arbitrary command execution and root privilege escalation. While there is no known active exploitation (KEV: No), the vulnerability has garnered significant community attention with 3 mentions and 2 media articles, indicating a high potential for future exploitation. There is currently no public exploit code available (Metasploit, Nuclei, ExploitDB: None).

Impacted Technologies

VendorProductVersion(s)CPE
< 12.5.1.19017-4CPE matchmatch criteria
cpe:2.3:a:cisco:unity_connection:*:*:*:*:*:*:*:*
>= 14.0, < 14.0.1.14006-5CPE matchmatch criteria
cpe:2.3:a:cisco:unity_connection:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.3HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.60%
Probability of exploitation in next 30 days
EPSS Percentile
73.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0160 is in the 61st percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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

sec.cloudapps.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-cuc-unauth-afu-FROYsCsD
Vendor Advisory