The Mock software contains a vulnerability wherein an attacker could potentially exploit privilege escalation, enabling the execution of arbitrary code with root user privileges. This weakness stems from the absence of proper sandboxing during the expansion and execution of Jinja2 templates, which may be included in certain configuration parameters. While the Mock documentation advises treating users added to the mock group as privileged, certain build systems invoking mock on behalf of users might inadvertently permit less privileged users to define configuration tags. These tags could then be passed as parameters to mock during execution, potentially leading to the utilization of Jinja2 templates for remote privilege escalation and the execution of arbitrary code as the root user on the build server.
CVE-2023-6395
This medium-severity CVE scores 6.7 under NVD CVSS v3. EPSS exploit probability: 1.6%, top 27% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.7
- EG Score
- 6.7(medium)
- EG Risk
- 46(Track)EG Risk 46/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity67% × 45%Exploitation2% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 72.5%
- KEV
- Not listed
Published
January 16, 2024
Last Modified
November 21, 2024
References (16)
- secalert@redhathttp://www.openwall.com/lists/oss-security/2024/01/16/1
- secalert@redhathttp://www.openwall.com/lists/oss-security/2024/01/16/3
- secalert@redhathttps://access.redhat.com/security/cve/CVE-2023-6395
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=2252206
- secalert@redhathttps://github.com/xsuchy/templated-dictionary/commit/0740bd0ca8d487301881541028977d120f8b8933
- secalert@redhathttps://github.com/xsuchy/templated-dictionary/commit/bcd90f0dafa365575c4b101e6f5d98c4ef4e4b69
- secalert@redhathttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/62SP2BJC2AFLFJJAEHPGZ3ZINTBTI7AN/
- secalert@redhathttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NBFYREAJH4T7GXXQZ4GJEREN4Q3AHS3K/
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/01/16/1
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/01/16/3
- af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2023-6395
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2252206
- af854a3a-2127-422b-91ae-364da2661108https://github.com/xsuchy/templated-dictionary/commit/0740bd0ca8d487301881541028977d120f8b8933
- af854a3a-2127-422b-91ae-364da2661108https://github.com/xsuchy/templated-dictionary/commit/bcd90f0dafa365575c4b101e6f5d98c4ef4e4b69
- af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/62SP2BJC2AFLFJJAEHPGZ3ZINTBTI7AN/
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| templated-dictionary | 1.0, 1.1, 1.2 | 1.4.1 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 13× in last 7d / 47× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-23 14:16 UTCEPSS rescore
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- 2026-06-09 09:55 UTCOSV refresh
- 2026-06-08 14:16 UTCEPSS rescore
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- 2026-05-24 10:15 UTCEG score recompute
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2023-6395?
When was CVE-2023-6395 disclosed?
Is CVE-2023-6395 actively exploited?
What is the CVSS score of CVE-2023-6395?
How do I remediate CVE-2023-6395?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-6395
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