CVE & CISA-KEV Catalog

CVE-2021-40324

HIGHEPSS 99th pctl
7.5
CVSS v3
NVD

Description

Cobbler before 3.3.0 allows arbitrary file write operations via upload_log_data.

CWE-434Unrestricted File Upload

How to fix

Remediation Available
cobblerUbuntu
Fixed in:2.4.1-0ubuntu2+esm1USN-6475-1
cobbler-commonUbuntu
Fixed in:2.4.1-0ubuntu2+esm1USN-6475-1
cobbler-webUbuntu
Fixed in:2.4.1-0ubuntu2+esm1USN-6475-1
koanUbuntu
Fixed in:2.4.1-0ubuntu2+esm1USN-6475-1
python-cobblerUbuntu
Fixed in:2.4.1-0ubuntu2+esm1USN-6475-1
python-koanUbuntu
Fixed in:2.4.1-0ubuntu2+esm1USN-6475-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityHigh
AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploit Intelligence

68.64%probability of exploitation in 30 days
99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

Third-Party Advisory1

Related Vulnerabilities

Other CWE-434 (Unrestricted File Upload) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2017-12617High8.1100%KEVFix
CVE-2018-15961Critical9.8100%KEV-
CVE-2021-31207Medium6.6100%KEV + RansomFix
CVE-2017-12615High8.1100%KEV + Ransom-
CVE-2025-31324Critical10.099%KEV + Ransom-
CVE-2024-50623Critical9.899%KEV + RansomFix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.