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CVE-2007-3953

15
FAUCET Score

CVE-2007-3953 describes a denial-of-service vulnerability in Norman Antivirus prior to version 5.91.02. Attackers can exploit this by crafting a malicious DOC file that triggers a divide-by-zero error during OLE2 parsing. The vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and potential for partial availability impact, requiring no authentication and being network-exploitable. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.90CPE matchmatch criteria
cpe:2.3:a:norman:norman_virus_control:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.36%
Probability of exploitation in next 30 days
EPSS Percentile
90.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0436 is in the 87th percentile among its peer group of 19,958 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

osvdb.org / 37980
secunia.com / advisories/26178
securityreason.com / securityalert/2914
exchange.xforce.ibmcloud.com / vulnerabilities/35554
nruns.com / security_advisory_norton_antivirus_doc_divide_by_zero_dos.php
securityfocus.com / archive/1/474450/100/0/threaded
securityfocus.com / bid/25014
securitytracker.com / id
vupen.com / english/advisories/2007/2619