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CVE-2005-3379

15
FAUCET Score

CVE-2005-3379 describes a multiple interpretation error in Trend Micro PC-Cillin 2005 and OfficeScan 7.0, allowing attackers to bypass virus scanning. This vulnerability occurs when a file, such as BAT, HTML, or EML, is crafted with an "MZ" magic byte sequence, typically associated with executables, causing the antivirus to misidentify it as a safe file type. The CVSS score of 5.1 indicates a medium severity, with a network attack vector, high access complexity, and partial impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage for this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
7.0_engine_7.510.1002CPE matchmatch criteria
cpe:2.3:a:trend_micro:officescan:7.0_engine_7.510.1002:*:*:*:*:*:*:*
12.0.1244_engine_7.510.1002CPE matchmatch criteria
cpe:2.3:a:trend_micro:pc-cillin_2005:12.0.1244_engine_7.510.1002:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.1MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.45%
Probability of exploitation in next 30 days
EPSS Percentile
70.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0145 is in the 43rd percentile among its peer group of 19,956 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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

Remediation records are not available for this CVE.

References

marc.info
securityelf.org / magicbyteadv.html
Vendor Advisory
securityelf.org / magicbyte.html
securityelf.org / updmagic.html
securityfocus.com / archive/1/415173
securityfocus.com / bid/15189