CVE-2023-32007 — UNSUPPORTED WHEN ASSIGNED ** The Apache Spark UI offers the possibility to enabl

UNSUPPORTED WHEN ASSIGNED ** The Apache Spark UI offers the possibility to enable ACLs via the configuration option spark.acls.enable. With an authentication filter, this checks whether a user has access permissions to view or modify the application. If ACLs are enabled, a code p

01What is this vulnerability?

UNSUPPORTED WHEN ASSIGNED ** The Apache Spark UI offers the possibility to enable ACLs via the configuration option spark.acls.enable. With an authentication filter, this checks whether a user has access permissions to view or modify the application. If ACLs are enabled, a code path in HttpSecurityFilter can allow someone to perform impersonation by providing an arbitrary user name. A malicious…

02Affected products

Vendor	Product	Versions
Apache Software Foundation	Apache Spark	3.1.1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2023-05-02T08:37:22.118Z
• Last modified: 2025-02-13T16:50:19.521Z

09References

• www.cve.org — https://www.cve.org/CVERecord?id=CVE-2022-33891
• spark.apache.org — https://spark.apache.org/security.html
• lists.apache.org — https://lists.apache.org/thread/poxgnxhhnzz735kr1wos366l5vdbb0nv
• www.openwall.com — http://www.openwall.com/lists/oss-security/2023/05/02/1