CVE-2021-40212
CVE-2021-40212 is a critical-severity vulnerability in Daum Potplayer with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (78th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Daum Potplayer
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2021-40212?
- 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.
- How severe is CVE-2021-40212?
- CVE-2021-40212 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-40212 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-40212?
- CVE-2021-40212 affects Daum Potplayer. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-40212?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2021-40212 published?
- CVE-2021-40212 was published on 2022-06-15 and last updated on 2026-06-17.
References
- https://a-man-in-the-cookie.blogspot.com
- https://a-man-in-the-cookie.blogspot.com/2021/08/PotPlayer-Critical-Memory-Access-Violation-Vulnerability.html
Affected products (1)
- cpe:2.3:a:daum:potplayer:1.7.21523:build_210729:*:*:*:*:*:*
More vulnerabilities in Daum Potplayer
- CVE-2013-3942 — High (CVSS 7.8): Potplayer prior to 1.5.39659: DLL Loading Arbitrary Code Execution Vulnerability
- CVE-2013-7185 — High (CVSS 7.8): PotPlayer 1.5.40688: .avi File Memory Corruption
All CVEs affecting Daum Potplayer →
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