CVE-2023-44981
Apache ZooKeeper: Authorization bypass in SASL Quorum Peer Authentication
02 Description
Apache ZooKeeper: Authorization bypass in SASL Quorum Peer Authentication
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 2.22% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 82.2% of scored records. A rank, not a probability.
- NVD base score
- 9.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2023-10-11 11:55Z3 YR AGO
- Last updated
- 2025-04-23 16:15Z1 YR AGO
- Reserved
- 2023-10-02
- Assigning CNA
- apache
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.1)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-639Authorization Bypass Through User-Controlled KeyBase
- Data version
- 5.1
- Document digest
- ec5a5d89b999cce881a35858a2d7e33aaa52426f1ef596b014d992997442c0c1
05 Affected products
06 References
- lists.apache.orghttps://lists.apache.org/thread/wf0yrk84dg1942z1o74kd8nycg6pgm5b
- www.openwall.comhttp://www.openwall.com/lists/oss-security/2023/10/11/4
- lists.debian.orghttps://lists.debian.org/debian-lts-announce/2023/10/msg00029.html
- www.debian.orghttps://www.debian.org/security/2023/dsa-5544
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20240621-0007/
07 Fixed in
Debian 12
- zookeeper Fixed in 3.8.0-11+deb12u1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- zookeeper Fixed in 3.9.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- zookeeper Fixed in 3.9.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- zookeeper Fixed in 3.4.13-5ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- zookeeper Fixed in 3.4.13-6ubuntu4.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- zookeeper Fixed in 3.4.13-3ubuntu0.1~esm1Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.