CVE-2020-13657 is an elevation of privilege vulnerability affecting Avast Free Antivirus and AVG AntiVirus Free versions prior to 20.4. It stems from improper handling of hard links, allowing a local attacker to gain control over arbitrary files. Rated Medium severity (CVSS 5.5), this vulnerability requires local access but has low attack complexity and high impact on integrity, though it does not affect confidentiality or availability. There is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage for this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 20.4CPE matchmatch criteria | cpe:2.3:a:avast:avg_antivirus:*:*:*:*:free:*:*:* | ||
< 20.4CPE matchmatch criteria | cpe:2.3:a:avast:free_antivirus:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.