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CVE-2003-1309

25
FAUCET Score

CVE-2003-1309 describes a critical privilege escalation vulnerability in ZoneAlarm products, specifically versions before 3.7.211 (TrueVector Device Driver), and Pro/Plus before 4.0.146.029. A local attacker can exploit the DeviceIoControl function within the VSDATANT driver to gain elevated privileges through specific signals. This vulnerability carries a CVSS score of 10.0, indicating maximum severity with complete compromise of confidentiality, integrity, and availability. Despite its age and high severity, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.7.202CPE matchmatch criteria
cpe:2.3:a:zonelabs:zonealarm:3.7.202:*:*:*:*:*:*:*
3.7.211CPE matchmatch criteria
cpe:2.3:a:zonelabs:zonealarm:3.7.211:*:plus:*:*:*:*:*
3.7.211CPE matchmatch criteria
cpe:2.3:a:zonelabs:zonealarm:3.7.211:*:pro:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

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

Exploit Intelligence

EPSS Score
2.27%
Probability of exploitation in next 30 days
EPSS Percentile
81.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0226 is in the 66th percentile among its peer group of 51,466 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, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media 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

Remediation records are not available for this CVE.

References

archives.neohapsis.com / archives/vulnwatch/2003-q3/0070.html
ExploitVendor Advisory
download.zonelabs.com / bin/free/information/znalm/zaReleaseHistory.html
sec-labs.hack.pl / advisories/seclabs-adv-zone-alarm-04-08-2003.txt
sec-labs.hack.pl / papers/win32ddc.php
secunia.com / advisories/9459
PatchVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/12824
osvdb.org / 2375
PatchVendor Advisory
osvdb.org / 4362
PatchVendor Advisory
securityfocus.com / bid/8342
Vendor Advisory