CVE-2021-40212 json
An exploitable out-of-bounds write vulnerability in PotPlayer 1.7.21523 build 210729 may lead to code execution, information disclosure, an…
published 2022-06-15 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-27397
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.2%
- EPSS 2.2% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known
Summary
An exploitable out-of-bounds write vulnerability in PotPlayer 1.7.21523 build 210729 may lead to code execution, information disclosure, and denial of service.
Exploit prediction
2.21% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- a-man-in-the-cookie.blogspot.com https://a-man-in-the-cookie.blogspot.com/2021/08/PotPlayer-Critical-Memory-Access-Violation-Vulnerability.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
a-man-in-the-cookie.blogspot.com
/2021/08/PotPlayer-Critical-Memory-Access-Violation-Vulnerability.html
exploit, third-party-advisory
-
a-man-in-the-cookie.blogspot.com
third-party-advisory
Sources
- CVE List CVE-2021-40212
- NVD CVE-2021-40212
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