9.9

CVE-2024-27135: apache software foundation apache pulsar Improper Input Validation

CVSS: 9.9v3.1CriticalModified
AliasesGHSA-xp2r-g8qq-44hh
Published 12-03-2024Last modified 13-02-2025

Vulnerability summary

CVE-2024-27135 is a critical (CVSS 9.9) Improper Input Validation vulnerability in apache software foundation apache pulsar. EPSS estimates a 5.98% chance of exploitation in the next 30 days, higher than 93.2% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.9/10
010
Critical · v3.1 (NVD)
EPSS score
5.98%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-03-2024
    PublishedVulnerability first disclosed.
  2. 13-02-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

5.98%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

0.00 pp

From 5.98% on 18-09-2026

18-09-202618-10-2026
EPSS score
5.98%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Apache1 product
  • pulsarEOL≥ 2.4.0, < 2.10.6 | ≥ 2.11.0, < 2.11.4 | ≥ 3.0.0, < 3.0.3 | ≥ 3.1.0, < 3.1.3 | 3.2.0
Apache software foundation1 product
  • apache pulsar≥ 2.4.0, < 2.10.6 | ≥ 2.11.0, < 2.11.4 | ≥ 3.0.0, < 3.0.3 | ≥ 3.1.0, < 3.1.3 | ≥ 3.2.0, < 3.2.1
Org.apache.pulsar1 product
  • pulsar-functions-worker≥ 2.4.0, < 2.10.6 | ≥ 2.11.0, < 2.11.4 | ≥ 3.0.0, < 3.0.3 | ≥ 3.1.0, < 3.1.3 | ≥ 3.2.0, < 3.2.1

3 vendors · 3 products

References

6 links