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CVE-2007-0166

17
FAUCET Score

CVE-2007-0166 describes a symlink attack vulnerability in the FreeBSD jail rc.d script, affecting versions 5.3 through 6.2. This flaw allows local root users within a jail to overwrite arbitrary files or mount/unmount files outside the jail by manipulating pathnames written to /var/log/console.log during jail startup or file system operations. With a CVSS score of 6.6, it presents a high severity risk due to its local attack vector, medium complexity, and complete compromise of confidentiality, integrity, and availability. There is no known active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 6.2CPE matchmatch criteria
cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*
5.3CPE matchmatch criteria
cpe:2.3:o:freebsd:freebsd:5.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.6MEDIUM

AV:L/AC:M/Au:S/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
SINGLE
Exploitability Score
2.7
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 81st percentile among its peer group of 1,297 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

osvdb.org / 32726
secunia.com / advisories/23730
security.freebsd.org / advisories/FreeBSD-SA-07:01.jail.asc
ExploitVendor Advisory
securitytracker.com / id
securityfocus.com / bid/22011