CVE-2020-10860 json
An issue was discovered in Avast Antivirus before 20.
published 2020-04-01 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-3266
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known
Summary
An issue was discovered in Avast Antivirus before 20. An Arbitrary Memory Address Overwrite vulnerability in the aswAvLog Log Library results in Denial of Service of the Avast Service (AvastSvc.exe).
Patch / fix
- avast antivirus 20.0
Exploit prediction
2.08% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
github.com
/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md
exploit, third-party-advisory
-
forum.avast.com
/index.php?topic=232420.0
release-notes, vendor-advisory
-
forum.avast.com
/index.php?topic=232423.0
release-notes, vendor-advisory
Sources
- CVE List CVE-2020-10860
- NVD CVE-2020-10860
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