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CVE-2021-3813

23
FAUCET Score

CVE-2021-3813 describes an Improper Privilege Management vulnerability in Chatwoot, specifically in versions prior to v2.2. This flaw allows an authenticated attacker to potentially gain unauthorized access to sensitive information due to insufficient privilege checks. The vulnerability carries a CVSS v3.1 score of 6.5 (Medium), indicating it can be exploited remotely with low attack complexity, requiring only low privileges, and leading to high confidentiality impact without affecting integrity or availability. There is currently no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. The vulnerability has also received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.1.1CPE matchmatch criteria
cpe:2.3:a:chatwoot:chatwoot:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.09%
Probability of exploitation in next 30 days
EPSS Percentile
61.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0109 is in the 75th percentile among its peer group of 21,958 CVEs.

Social Chatter

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 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / chatwoot/chatwoot/commit/9454c6b14f75e778ef98cf84bdafdf0ed8ae5705
PatchThird Party Advisory
huntr.dev / bounties/36f02c4f-cf1c-479e-a1ad-091a1ac7cb56
ExploitPatchThird Party Advisory