CVE-2023-1587 json
Avast and AVG Antivirus for Windows were susceptible to a NULL pointer dereference issue via RPC-interface.
published 2023-04-19 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-23819
- cvss
- 5.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 11%
- public exploits
- 0
- none known
Summary
Avast and AVG Antivirus for Windows were susceptible to a NULL pointer dereference issue via RPC-interface. The issue was fixed with Avast and AVG Antivirus version 22.11
Patch / fix
- avast antivirus 22.11
- avg anti-virus 22.11
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 21 mo ago
Exploit prediction
0.21% chance of exploitation in the next 30 days, higher than 11% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.8 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H |
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Affected products
- AVAST Avast Antivirus
- AVG AVG Antivirus
Classification
- Weakness
-
- CWE-476 NULL Pointer Dereference
References
-
support.norton.com
/sp/static/external/tools/security-advisories.html
third-party-advisory
Sources
- CVE List CVE-2023-1587
- NVD CVE-2023-1587
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