HIGH
cobbler: Arbitrary File Disclosure/Template Injection via generate_script RPC method
Published Oct 4, 2021
8.1
HIGHCVSS 4.0
EPSS 86.83%
Description
Cobbler before 3.3.0 allows log poisoning, and resultant Remote Code Execution, via an XMLRPC method that logs to the logfile for template injection.
Affected products
No data.
- ≤ 3.3.0
No data.
Red Hat Enterprise Linux 8
rhn-tools:1.0/cobbler
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | rhn-tools:1.0/cobbler | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
8.1 HIGH GHSA
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
Attack Vector Network
Attack Complexity Low
Attack Requirements None
Privileges Required None
User Interaction None
Vulnerable System Confidentiality High
Vulnerable System Integrity High
Vulnerable System Availability High
Subsequent System Confidentiality None
Subsequent System Integrity None
Subsequent System Availability None
Exploit Maturity Unreported
9.8 CRITICAL NVD
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
1 other source (Red Hat) ▾
9.1 CRITICAL Red Hat
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact None
No CVSS v3.0 score for this CVE.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
86.83% 0.86829
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.86829
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (31 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 86.83% (0.86829) | 99.74th | v5 (v2026.06.15) |
| Aug 20, 2026 | 86.83% (0.86829) | 99.73th | v5 (v2026.06.15) |
| Jun 15, 2026 | 88.48% (0.88482) | 99.75th | v5 (v2026.06.15) |
| Nov 21, 2025 | 93.46% (0.93459) | 99.81th | v4 (v2025.03.14) |
| Nov 18, 2025 | 92.28% (0.92281) | 99.78th | v4 (v2025.03.14) |
| Mar 17, 2025 | 94.05% (0.94050) | 99.89th | v4 (v2025.03.14) |
| Dec 17, 2024 | 8.41% (0.08408) | 94.40th | v3 (v2023.03.01) |
| Dec 12, 2024 | 4.97% (0.04974) | 93.14th | v3 (v2023.03.01) |
| Sep 9, 2024 | 4.79% (0.04790) | 92.88th | v3 (v2023.03.01) |
| Jun 19, 2024 | 3.73% (0.03731) | 91.83th | v3 (v2023.03.01) |
| May 10, 2024 | 3.30% (0.03304) | 91.26th | v3 (v2023.03.01) |
| Mar 18, 2024 | 3.05% (0.03051) | 90.75th | v3 (v2023.03.01) |
| Dec 27, 2023 | 2.95% (0.02948) | 89.81th | v3 (v2023.03.01) |
| Dec 12, 2023 | 2.17% (0.02175) | 88.16th | v3 (v2023.03.01) |
| Nov 28, 2023 | 1.94% (0.01945) | 87.37th | v3 (v2023.03.01) |
| Oct 31, 2023 | 2.04% (0.02044) | 87.74th | v3 (v2023.03.01) |
| Sep 19, 2023 | 1.92% (0.01920) | 87.19th | v3 (v2023.03.01) |
| Aug 21, 2023 | 1.79% (0.01788) | 86.50th | v3 (v2023.03.01) |
| Aug 7, 2023 | 1.88% (0.01882) | 86.92th | v3 (v2023.03.01) |
| Jul 9, 2023 | 1.85% (0.01853) | 86.74th | v3 (v2023.03.01) |
| Jun 24, 2023 | 1.90% (0.01896) | 86.86th | v3 (v2023.03.01) |
| Apr 27, 2023 | 1.60% (0.01599) | 85.50th | v3 (v2023.03.01) |
| Mar 17, 2023 | 1.51% (0.01507) | 84.91th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.50% (0.01500) | 84.81th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.98% (0.01978) | 79.27th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.98% (0.01978) | 77.43th | v2 (v2022.01.01) |
| Feb 15, 2022 | 38.46% (0.38460) | 97.28th | v2 (v2022.01.01) |
| Feb 4, 2022 | 23.85% (0.23850) | 95.09th | v2 (v2022.01.01) |
| Feb 3, 2022 | 5.88% (0.05885) | 81.24th | v1 |
| Jan 6, 2022 | 5.88% (0.05885) | 81.05th | v1 |
| Oct 4, 2021 | 1.37% (0.01374) | 70.86th | v1 |
References (8)
- https://access.redhat.com/security/cve/CVE-2021-40323 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2006840 Issue Tracking
- https://github.com/advisories/GHSA-cpqf-3c3r-c9g2 Advisory
- https://github.com/cobbler/cobbler/commit/d8f60bbf14a838c8c8a1dba98086b223e35fe70a x_refsource_MISCPatchThird Party Advisory
- https://github.com/cobbler/cobbler/releases/tag/v3.3.0 x_refsource_MISCProductThird Party Advisory
- https://github.com/pypa/advisory-database/tree/main/vulns/cobbler/PYSEC-2021-373.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2021-40323
- https://www.cve.org/CVERecord?id=CVE-2021-40323
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2021-40323 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2006840 | Issue Tracking | |
| https://github.com/advisories/GHSA-cpqf-3c3r-c9g2 | Advisory | |
| https://github.com/cobbler/cobbler/commit/d8f60bbf14a838c8c8a1dba98086b223e35fe70a | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/cobbler/cobbler/releases/tag/v3.3.0 | x_refsource_MISCProductThird Party Advisory | |
| https://github.com/pypa/advisory-database/tree/main/vulns/cobbler/PYSEC-2021-373.yaml | ||
| https://nvd.nist.gov/vuln/detail/CVE-2021-40323 | ||
| https://www.cve.org/CVERecord?id=CVE-2021-40323 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Oct 4, 2021
Updated Aug 4, 2024
Reserved Aug 30, 2021
Link CVE-2021-40323
CISA Vulnrichment
GHSA-CPQF-3C3R-C9G2 Updated n/a