CVE-2008-5521 describes a critical vulnerability in Avira AntiVir versions 7.9.0.36 and potentially 7.8.1.28, specifically when used with Internet Explorer 6 or 7. This flaw allows remote attackers to bypass malware detection in HTML documents by prepending an MZ header and manipulating the file extension (none, .txt, or .jpg), as demonstrated with a CVE-2006-5745 exploit. The vulnerability carries a CVSS score of 9.3 (Critical), indicating a network-based attack with medium complexity, leading to complete compromise of confidentiality, integrity, and availability. Its FAUCET Risk Score is 74/100, highlighting its significant potential impact. Despite its severity, there is no evidence of active exploitation, and no public exploit code is available in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are also minimal, suggesting it has not garnered significant attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
7.8.1.28CPE matchmatch criteria | cpe:2.3:a:free-av:antivir:7.8.1.28:*:*:*:*:*:*:* | ||
7.9.0.36CPE matchmatch criteria | cpe:2.3:a:free-av:antivir:7.9.0.36:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:C/I:C/A:C
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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.