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CVE-2026-20035

32
FAUCET Score

A vulnerability in the web UI of Cisco Unity Connection Web Inbox could allow an unauthenticated, remote attacker to conduct SSRF attacks through an affected device. This vulnerability is due to improper input validation for specific HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to send arbitrary network requests that are sourced from the affected device.

First published: May 6, 2026Last modified: May 6, 2026

Impacted Technologies

VendorProductVersion(s)CPE
< 14.0CPE matchmatch criteria
cpe:2.3:a:cisco:unity_connection:*:*:*:*:*:*:*:*
14.0CPE matchmatch criteria
cpe:2.3:a:cisco:unity_connection:14.0:*:*:*:*:*:*:*
14su1CPE matchmatch criteria
cpe:2.3:a:cisco:unity_connection:14su1:*:*:*:*:*:*:*
14su2CPE matchmatch criteria
cpe:2.3:a:cisco:unity_connection:14su2:*:*:*:*:*:*:*
14su3CPE matchmatch criteria
cpe:2.3:a:cisco:unity_connection:14su3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.30%
Probability of exploitation in next 30 days
EPSS Percentile
22.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0030 is in the 5th percentile among its peer group of 51,506 CVEs.

Social Chatter

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

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

sec.cloudapps.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-unity-rce-ssrf-hENhuASy
Vendor Advisory