Is CVE-2024-27135 in the CISA KEV catalog?

No. CVE-2024-27135 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-27135?

CVE-2024-27135 has a CVSS v3 base score of 8.5 (HIGH).

What is the EPSS score for CVE-2024-27135?

CVE-2024-27135 has an EPSS score of 5.98% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-27135?

Upgrade pulsar to 3.1.3 or later.

CVE & CISA-KEV Catalog

CVE-2024-27135

HIGHEPSS 92th pctl

8.5

CVSS v3

NVD

Description

Improper input validation in the Pulsar Function Worker allows a malicious authenticated user to execute arbitrary Java code on the Pulsar Function worker, outside of the sandboxes designated for running user-provided functions. This vulnerability also applies to the Pulsar Broker when it is configured with "functionsWorkerEnabled=true". This issue affects Apache Pulsar versions from 2.4.0 to 2.10.5, from 2.11.0 to 2.11.3, from 3.0.0 to 3.0.2, from 3.1.0 to 3.1.2, and 3.2.0. 2.10 Pulsar Function Worker users should upgrade to at least 2.10.6. 2.11 Pulsar Function Worker users should upgrade to at least 2.11.4. 3.0 Pulsar Function Worker users should upgrade to at least 3.0.3. 3.1 Pulsar Function Worker users should upgrade to at least 3.1.3. 3.2 Pulsar Function Worker users should upgrade to at least 3.2.1. Users operating versions prior to those listed above should upgrade to the aforementioned patched versions or newer versions.

CWE-20Improper Input Validation CWE-913

How to fix

Remediation Available

pulsarNVD

Affected:>= 3.1.0, < 3.1.3Fixed in:3.1.3CVE-2024-27135derived 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 ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

5.98%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Vendor Advisory2

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 2025-02-13.