Actively exploited · Published Jan 13, 2022 · Assigned by Zabbix
CVE-2022-23134Possible view of the setup pages by unauthenticated users if config file already exists
Low 3.7 Exploited
In plain English
A low-severity improper access control in Frontend from Zabbix. Attackers are actively exploiting it in the wild (listed by CISA on February 22, 2022). The chance it is exploited in the next 30 days is estimated at 95.3% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei, public proof-of-concept code. Fixed versions are available - upgrade the affected package.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by Mar 8, 2022.
Official description
After the initial setup process, some steps of setup.php file are reachable not only by super-administrators, but by unauthenticated users as well. Malicious actor can pass step checks and potentially change the configuration of Zabbix Frontend.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | zabbix | 1:6.0.7+dfsg-2 | DEBIAN-CVE-2022-23134 |
| Debian:13 | zabbix | 1:6.0.7+dfsg-2 | DEBIAN-CVE-2022-23134 |
| Debian:14 | zabbix | 1:6.0.7+dfsg-2 | DEBIAN-CVE-2022-23134 |
Affected products (as reported)
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
References
- https://support.zabbix.com/browse/ZBX-20384 x_refsource_MISC
- FEDORA-2022-dfe346f53f vendor-advisory, x_refsource_FEDORA
- FEDORA-2022-1a667b0f90 vendor-advisory, x_refsource_FEDORA
- [debian-lts-announce] 20220207 [SECURITY] [DLA 2914-1] zabbix security update mailing-list, x_refsource_MLIST
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-23134 government-resource