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CVE-2016-6299

23
FAUCET Score

CVE-2016-6299 describes a critical vulnerability in the scm plug-in for mock, affecting Fedora and mock_project scm_plugin. This flaw allows an unauthenticated attacker to bypass chroot protection and achieve root privileges through a specially crafted spec file. With a CVSS v3 score of 7.8 (High), this local attack vector requires user interaction but can lead to complete compromise of confidentiality, integrity, and availability. Currently, there is no public exploit code (Metasploit, Nuclei, ExploitDB) or evidence of active exploitation, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
23CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
24CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*
25CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:mock_project:scm_plugin:-:*:*:*:*:mock:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.73%
Probability of exploitation in next 30 days
EPSS Percentile
75.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0173 is in the 74th percentile among its peer group of 11,615 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 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 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

bugzilla.redhat.com / show_bug.cgi
ExploitIssue TrackingThird Party AdvisoryVDB Entry
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/UFC4LU6GYYEVUK6LQ2FKUGMZXRTLLL5A
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/VYLMPA5VLLX67DUJ6XLJ2TIW6CX2CFL4
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/X5PH2YGYWYUAYPHK32SGUZGZXQEBEYNK
openwall.com / lists/oss-security/2016/09/13/2
Mailing ListPatchThird Party Advisory
securityfocus.com / bid/92948
Third Party AdvisoryVDB Entry