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CVE-2021-40115

17
FAUCET Score

CVE-2021-40115 is a cross-site scripting (XSS) vulnerability in Cisco Webex Video Mesh and Collaboration Meeting Rooms, stemming from insufficient input validation in the web-based management interface. An unauthenticated, remote attacker could exploit this by tricking a user into clicking a crafted link. This medium-severity vulnerability (CVSS 6.1) could lead to arbitrary script execution or sensitive information disclosure. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.0CPE matchmatch criteria
cpe:2.3:a:cisco:collaboration_meeting_rooms:2.0:*:*:*:*:*:*:*
< 2021.10.18.2439mCPE matchmatch criteria
cpe:2.3:a:cisco:webex_video_mesh:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.75%
Probability of exploitation in next 30 days
EPSS Percentile
51.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0075 is in the 58th percentile among its peer group of 26,236 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, 0.0 Mastodon, and 0.1 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-videomesh-xss-qjm2BDQf
Vendor Advisory