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CVE-2005-4779

13
FAUCET Score

CVE-2005-4779 describes a vulnerability in NetBSD 2.0.2 where a flaw in the verifiedexecioctl function within verified_exec.c disables the intended security functionality of the verified exec kernel subsystem. This misconfiguration, specifically the use of UIO_USERSPACE instead of UID_SYSSPACE, could allow local users to execute unauthorized "Trojan horse" programs. The vulnerability has a CVSS score of 3.6 (Low), indicating a local attack vector with low attack complexity and no authentication required, potentially leading to partial confidentiality and integrity impacts. Its FAUCET Risk Score is 8/100, and its EPSS score is very low, suggesting a minimal likelihood of exploitation. There is no evidence of active exploitation, and no public exploit intelligence (Metasploit, Nuclei, ExploitDB) is available. Furthermore, there is no community discussion or media coverage surrounding this CVE, indicating a lack of widespread attention or concern.

Impacted Technologies

VendorProductVersion(s)CPE
2.0CPE matchmatch criteria
cpe:2.3:o:netbsd:netbsd:2.0:*:*:*:*:*:*:*
2.0.1CPE matchmatch criteria
cpe:2.3:o:netbsd:netbsd:2.0.1:*:*:*:*:*:*:*
2.0.2CPE matchmatch criteria
cpe:2.3:o:netbsd:netbsd:2.0.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

3.6LOW

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.33%
Probability of exploitation in next 30 days
EPSS Percentile
25.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0033 is in the 18th percentile among its peer group of 2,096 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 0.6 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

cvsweb.netbsd.org / bsdweb.cgi/src/sys/dev/verified_exec.c.diff
mail-index.netbsd.org / netbsd-announce/2005/10/31/0000.html
Patch
releng.netbsd.org / cgi-bin/req-2-0.cgi
osvdb.org / 20725
Patch