ZO
Product
Zookeeper
16
CVEs
0
On KEV
9.1
Max CVSS
0
New 30D
Severity mix
Critical 2High 8Medium 6Low 0
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Add Zookeeper to your stack to get only the CVEs that touch what you run.
| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2024-51504 | 9.1 | Nov 7 | When using IPAuthenticationProvider in ZooKeeper Admin Server there is a possibility of Authentication Bypass by Spoofing -- this only impacts IP based authentication implemented… Affected: 3.9.0 before 3.9.3 |
| CVE-2023-44981 | 9.1 | Oct 11 | Authorization Bypass Through User-Controlled Key vulnerability in Apache ZooKeeper Affected: before 3.7.2; 3.8.0 before 3.8.3; 3.9.0 |
| CVE-2016-5017 | 8.1 | Sep 21 | Buffer overflow in the C cli shell in Apache Zookeeper before 3.4.9 and 3.5.x before 3.5.3, when using the "cmd:" batch mode syntax, allows attackers to have unspecified impact… Affected: through 3.4.8; 3.5.0; 3.5.1; 3.5.2 |
| CVE-2026-79993 | 7.5 | Sep 16 | Apache ZooKeeper: Missing ACL check on deleteContainer opcode allows unauthorized deletion of any empty persistent/container znode Affected: 3.8.0 before 3.8.7; 3.9.0 before 3.9.6 |
| CVE-2026-59969 | 7.5 | Sep 16 | Apache ZooKeeper: Improper validation of certificate with host mismatch in FIPS mode Affected: 3.8.0 before 3.8.7; 3.9.0 before 3.9.6 |
| CVE-2026-59739 | 7.5 | Sep 16 | Apache ZooKeeper: Information disclosure via SetWatches reconnect replay Affected: 3.8.0 before 3.8.7; 3.9.0 before 3.9.6 |
| CVE-2026-24308 | 7.5 | Mar 7 | Improper handling of configuration values in ZKConfig in Apache ZooKeeper 3.8.5 and 3.9.4 on all platforms allows an attacker to expose sensitive information stored in client… Affected: 3.8.0 before 3.8.6; 3.9.0 before 3.9.5 |
| CVE-2018-8012 | 7.5 | May 21 | No authentication/authorization is enforced when a server attempts to join a quorum in Apache ZooKeeper before 3.4.10, and 3.5.0-alpha through 3.5.3-beta Affected: before 3.4.10; 3.5.0 through 3.5.3; 3.5.0; 3.5.3 |
| CVE-2017-5637 | 7.5 | Oct 10 | Two four letter word commands "wchp/wchc" are CPU intensive and could cause spike of CPU utilization on Apache ZooKeeper server if abused, which leads to the server unable to… Affected: 3.4.0; 3.4.1; 3.4.2; 3.4.3; 3.4.4; 3.4.5; +7 more |
| CVE-2026-24281 | 7.4 | Mar 7 | Hostname verification in Apache ZooKeeper ZKTrustManager falls back to reverse DNS (PTR) when IP SAN validation fails, allowing attackers who control or spoof PTR records to… Affected: 3.8.0 before 3.8.6; 3.9.0 before 3.9.5 |
| CVE-2021-21295 | 5.9 | Mar 9 | Possible request smuggling in HTTP/2 due missing validation Affected: 3.5.9 |
| CVE-2019-0201 | 5.9 | May 23 | An issue is present in Apache ZooKeeper 1.0.0 to 3.4.13 and 3.5.0-alpha to 3.5.4-beta Affected: 1.0.0 through 3.4.13; 3.5.0; 3.5.0; 3.5.0; 3.5.1; 3.5.1; +14 more |
| CVE-2026-84501 | 5.3 | Sep 16 | Apache ZooKeeper: Operational log forgery via newline injection in EnsembleAuthenticationProvider Affected: 3.8.0 before 3.8.7; 3.9.0 before 3.9.6 |
| CVE-2026-84439 | 5.3 | Sep 16 | Apache ZooKeeper: Audit log injection via unsanitized output from multiple sources Affected: 3.8.0 before 3.8.7; 3.9.0 before 3.9.6 |
| CVE-2024-23944 | 5.3 | Mar 15 | Information disclosure in persistent watchers handling in Apache ZooKeeper due to missing ACL check Affected: 3.6.0 through 3.7.2; 3.8.0 before 3.8.4; 3.9.0 before 3.9.2 |
| CVE-2025-58457 | 4.3 | Sep 24 | Improper permission check in ZooKeeper AdminServer lets authorized clients to run snapshot and restore command with insufficient permissions Affected: 3.9.0 before 3.9.4 |
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