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CVE-2008-1835

18
FAUCET Score

CVE-2008-1835 describes a bypass vulnerability in ClamAV versions prior to 0.93, allowing remote attackers to evade scanning by submitting specially crafted RAR files with invalid version numbers. While ClamAV fails to parse these files, other tools like WinRAR can extract them, potentially delivering malicious content. This vulnerability has a CVSS score of 5.0, indicating a medium severity with low attack complexity and potential for partial confidentiality impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.92.1CPE matchmatch criteria
cpe:2.3:a:clam_anti-virus:clamav:*:*:*:*:*:*:*:*
0.15CPE matchmatch criteria
cpe:2.3:a:clam_anti-virus:clamav:0.15:*:*:*:*:*:*:*
0.20CPE matchmatch criteria
cpe:2.3:a:clam_anti-virus:clamav:0.20:*:*:*:*:*:*:*
0.21CPE matchmatch criteria
cpe:2.3:a:clam_anti-virus:clamav:0.21:*:*:*:*:*:*:*
0.22CPE matchmatch criteria
cpe:2.3:a:clam_anti-virus:clamav:0.22:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.03%
Probability of exploitation in next 30 days
EPSS Percentile
89.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0403 is in the 86th percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2008-1835Moderate

clamav: scanning engine bypass via crafted RAR file

Apr 15, 2008

References

lists.apple.com / archives/security-announce//2008/Sep/msg00005.html
lists.opensuse.org / opensuse-security-announce/2008-04/msg00009.html
secunia.com / advisories/29891
secunia.com / advisories/30328
secunia.com / advisories/31576
secunia.com / advisories/31882
security.gentoo.org / glsa/glsa-200805-19.xml
exchange.xforce.ibmcloud.com / vulnerabilities/41874
wwws.clamav.net / bugzilla/show_bug.cgi
up2date.astaro.com / 2008/08/up2date_asg_v7300_ga_released.html
mandriva.com / security/advisories
securityfocus.com / bid/28784
us-cert.gov / cas/techalerts/TA08-260A.html
US Government Resource
vupen.com / english/advisories/2008/2584