CVE-2009-1784: avg avg_anti-virus Improper Input Validation
CVSS: 10.0v2.0HighModified
Published 22-05-2009Last modified 07-08-2024
Vulnerability summary
CVE-2009-1784 is a high (CVSS 10.0) Improper Input Validation vulnerability in avg avg_anti-virus. EPSS estimates a 3.41% chance of exploitation in the next 30 days, higher than 88.7% of scored vulnerabilities.
CVSS score
10.0/10
010
High · v2.0 (NVD)EPSS score
3.41%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 22-05-2009PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
The AVG parsing engine 8.5 323, as used in multiple AVG anti-virus products including Anti-Virus Network Edition, Internet Security Netzwerk Edition, Server Edition für Linux/FreeBSD, Anti-Virus SBS Edition, and others allows remote attackers to bypass malware detection via a crafted (1) RAR and (2) ZIP archive.
CVSS metrics
1 score · 1 source · 1 versionHigh 10.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
3.41%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
0.00 pp
From 3.41% on 20-09-2026
20-09-202620-10-2026
EPSS score3.41%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Avg1 product
- avg_anti-virus≤ 8.0.156 | 6.0.710 | 7.0 | 7.0.251 | 7.0.323 | 7.1.308 | 7.1.407 | 7.5.51 | 7.5.448 | 7.5.476 | 8.0
1 vendor · 1 product
References
4 links- blog.zoller.lu/2009/04/avg-zip-evasion-bypass.htmlX Refsource MISC