Is CVE-2023-43498 in the CISA KEV catalog?

No. CVE-2023-43498 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-43498?

CVE-2023-43498 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2023-43498?

CVE-2023-43498 has an EPSS score of 0.80% (52th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-43498?

Upgrade jenkins to 2.414.2 or later.

CVE & CISA-KEV Catalog

CVE-2023-43498

HIGH

8.1

CVSS v3

NVD

Description

In Jenkins 2.423 and earlier, LTS 2.414.1 and earlier, processing file uploads using MultipartFormDataParser creates temporary files in the default system temporary directory with the default permissions for newly created files, potentially allowing attackers with access to the Jenkins controller file system to read and write the files before they are used.

CWE-377

How to fix

Remediation Available

jenkinsNVD

Affected:< 2.414.2Fixed in:2.414.2CVE-2023-43498derived from NVD

Affected:< 2.424Fixed in:2.424CVE-2023-43498derived from NVD

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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.80%probability of exploitation in 30 days

52ndpercentile

Moderate risk: more likely to be exploited than 52% of all known CVEs.

References

Vendor Advisory1

jenkins.io

Third-Party Advisory1

openwall.com

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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.