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CVE-2023-29485

25
FAUCET Score

CVE-2023-29485 describes a critical vulnerability in Heimdal Thor agent versions 3.4.2 and earlier on Windows, and 2.6.9 and earlier on macOS, impacting its DarkLayer Guard threat prevention module. This flaw, rated 9.8 CVSS (Critical), allows unauthenticated attackers to bypass network filtering, execute arbitrary code, and exfiltrate sensitive information with low attack complexity. While Heimdal disputes the issue's validity, arguing their product isn't designed to intercept third-party DNS requests, the potential for complete compromise is high. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.5.3CPE matchmatch criteria
cpe:2.3:a:heimdalsecurity:thor:*:*:*:*:*:*:*:*
<= 2.6.9CPE matchmatch criteria
cpe:2.3:a:heimdalsecurity:thor:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.96%
Probability of exploitation in next 30 days
EPSS Percentile
57.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0096 is in the 43rd percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

medium.com / %40drabek.a/weaknesses-in-heimdal-thors-line-of-products-9d0e5095fb93
ExploitThird Party Advisory