SARA / Free Tools / CVE / CVE-2023-44981

CVE-2023-44981 — Authorization Bypass Through User-Controlled Key vulnerability in Apache ZooKeep

Authorization Bypass Through User-Controlled Key vulnerability in Apache ZooKeeper. If SASL Quorum Peer authentication is enabled in ZooKeeper (quorum.auth.enableSasl=true), the authorization is done by verifying that the instance part in SASL authentication ID is listed in zoo.c

CVSS
— —
EPSS
0.03% (top 93.00%)
CWE
CWE-639
Published
2023-10-11T11:55:47.925Z
Last modified
2025-04-23T16:15:15.138Z
CVSS vector
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01What is this vulnerability?

Authorization Bypass Through User-Controlled Key vulnerability in Apache ZooKeeper. If SASL Quorum Peer authentication is enabled in ZooKeeper (quorum.auth.enableSasl=true), the authorization is done by verifying that the instance part in SASL authentication ID is listed in zoo.cfg server list. The instance part in SASL auth ID is optional and if it's missing, like '[email protected]', the…

02Affected products

VendorProductVersions
Apache Software FoundationApache ZooKeeper3.9.0, 3.8.0, 3.7.0, 0

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

05Technical details

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

06Detection signatures

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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