Vulnerability Details : CVE-2021-3649
Potential exploit
chatwoot is vulnerable to Inefficient Regular Expression Complexity
Products affected by CVE-2021-3649
- cpe:2.3:a:chatwoot:chatwoot:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3649
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 43 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-3649
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
huntr.dev | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-3649
-
The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.Assigned by: security@huntr.dev (Secondary)
References for CVE-2021-3649
-
https://github.com/chatwoot/chatwoot/commit/aa7db90cd2d23dbcf22a94f1e4c100dd909e2172
fix: Use Dompurify to strip style characters (#2632) · chatwoot/chatwoot@aa7db90 · GitHubPatch;Third Party Advisory
-
https://huntr.dev/bounties/1625088985607-chatwoot/chatwoot
huntr: Inefficient Regular Expression Complexity Ruby Vulnerability in chatwootExploit;Issue Tracking;Patch;Third Party Advisory
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