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CVE-2021-40212

An exploitable out-of-bounds write vulnerability in PotPlayer 1.7.21523 build 210729 may lead to...

9.8 Critical

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

2.21%Down 0.3 points since Jun 16, 2022
90%50%10%1%

What each source reports

NVD Score used 9.8

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.

Record
CVE-2021-40212
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2021-40212
Updated
2026-11-02
EUVDEUVD-2021-27397 No score

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.

Record
EUVD-2021-27397
Updated
2026-11-03
GitHub AdvisoriesGHSA-vqxx-xvgv-6cxp 9.8

An exploitable out-of-bounds write vulnerability in PotPlayer 1.7.21523 build 210729 may lead to...

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.

Record
GHSA-vqxx-xvgv-6cxp
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-40212 is a critical vulnerability (CVSS 9.8) in Daum Potplayer, published June 15, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.21%, the 82nd percentile. No source names a fixed version.

References

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