CVE-2021-40323
HighCobbler before 3.3.0 allows log poisoning
Published Oct 5, 2021 · Updated Sep 10, 2026 · Also known as GHSA-cpqf-3c3r-c9g2, PYSEC-2021-373, SUSE-RU-2021:3162-1, SUSE-SU-2021:3151-1, SUSE-SU-2021:3170-1, UBUNTU-CVE-2021-40323
Key Facts
Patch immediately- CVE-2021-40323 is a high-severity vulnerability (CVSS 9.3 v4) affecting Cobbler (Cobbler Project), branch-network-formula (suse), cpu-mitigations-formula (suse) and 22 more products.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 87% probability of exploitation in the next 30 days.
- Fixed versions are available, including branch-network-formula 0.1.1628156312.dbd0dec-3.3.1, Cobbler 2.4.1-0ubuntu2+esm1, Cobbler 3.0.0+git20190806.32c4bae0-8.22.6.1.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v4
9.3
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
EPSS (30-day exploit likelihood)
87%
Higher than 99.7% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
Get the full CVE-2021-40323 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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
89 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| CobblerCobbler Project | See advisory | 3.3.0 |
| branch-network-formulasuse | See advisory | 0.1.1628156312.dbd0dec-3.3.1 |
| cpu-mitigations-formulasuse | See advisory | 0.4.0-3.3.1 |
| inter-server-syncsuse | See advisory | 0.0.5-8.3.2 |
| openvpn-formulasuse | See advisory | 0.1.2-3.3.1 |
Patched Releases
branch-network-formula
0.1.1628156312.dbd0dec-3.3.1
Cobbler
2.4.1-0ubuntu2+esm1, 3.0.0+git20190806.32c4bae0-8.22.6.1, 3.1.2-5.8.1, 3.3.0, d8f60bbf14a838c8c8a1dba98086b223e35fe70a, <=3.3.0
cpu-mitigations-formula
0.4.0-3.3.1
inter-server-sync
0.0.5-8.3.2
openvpn-formula
0.1.2-3.3.1
prometheus-exporters-formula
1.0.3-3.6.1
py26-compat-salt
2016.11.10-11.28.6.1
py27-compat-salt
3000.3-7.7.8.1
python3-spacewalk-certs-tools
4.2.12-3.6.2
python3-spacewalk-client-tools
4.2.13-4.6.3
release-notes-susemanager
4.2.2-3.12.1
release-notes-susemanager-proxy
4.2.2-3.12.1
saltboot-formula
0.1.1628156312.dbd0dec-3.3.1
spacecmd
4.2.12-4.6.2
spacewalk-backend
4.2.16-4.6.3
spacewalk-backend-app
4.2.16-4.6.3
spacewalk-backend-applet
4.2.16-4.6.3
spacewalk-backend-config-files
4.2.16-4.6.3
spacewalk-backend-config-files-common
4.2.16-4.6.3
spacewalk-backend-config-files-tool
4.2.16-4.6.3
spacewalk-backend-iss
4.2.16-4.6.3
spacewalk-backend-iss-export
4.2.16-4.6.3
spacewalk-backend-package-push-server
4.2.16-4.6.3
spacewalk-backend-server
4.2.16-4.6.3
spacewalk-backend-sql
4.2.16-4.6.3
Timeline
Publicly disclosed
Oct 5, 2021
Last updated
Sep 10, 2026
Weakness Type
- CWE-94 Improper Control of Generation of Code ('Code Injection')
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
- advisoryhttps://bugzilla.suse.com/1171483
- advisoryhttps://bugzilla.suse.com/1173143
- advisoryhttps://bugzilla.suse.com/1181223
- advisoryhttps://bugzilla.suse.com/1186026
- advisoryhttps://bugzilla.suse.com/1186281
FAQ
Common Questions.
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: Cobbler (Cobbler Project); branch-network-formula (suse); cpu-mitigations-formula (suse), among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including branch-network-formula 0.1.1628156312.dbd0dec-3.3.1, Cobbler 2.4.1-0ubuntu2+esm1, Cobbler 3.0.0+git20190806.32c4bae0-8.22.6.1.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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