CVE-2022-23134

Zabbix Frontend: Improper Access Control

As of , CVE-2022-23134 in Zabbix Frontend is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 22 February 2022
US federal deadline
8 March 202214 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.95Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.01 on 22 February 2022EPSS on the day CISA listed it.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
No vendor link in CISA's entry

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

Malicious actors can pass step checks and potentially change the configuration of Zabbix Frontend.

CISA's 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.

The CVE record's description, from Zabbix

CVE published
13 January 2022
Assigned by
Zabbix
CVSS
3.7 Low (CVSS 3.1, from the CNA)
CWE-284
Improper Access Control
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
partial

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

Frontend: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2022-23131Authentication BypassZabbix FrontendPatch this weekEPSS 0.960.96

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