CVE-2022-46836
CVE-2022-46836 is a critical-severity vulnerability in Checkmk with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.
Key facts
- Severity: Critical (CVSS 3.x base score 9.1)
- EPSS exploit prediction: 1% (64th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-94
- Affected product: Checkmk
- Published:
- Last modified:
Description
PHP code injection in watolib auth.php and hosttags.php in Tribe29's Checkmk <= 2.1.0p10, Checkmk <= 2.0.0p27, and Checkmk <= 1.6.0p29 allows an attacker to inject and execute PHP code which will be executed upon request of the vulnerable component.
Frequently asked questions
- What is CVE-2022-46836?
- PHP code injection in watolib auth.php and hosttags.php in Tribe29's Checkmk <= 2.1.0p10, Checkmk <= 2.0.0p27, and Checkmk <= 1.6.0p29 allows an attacker to inject and execute PHP code which will be executed upon request of the vulnerable component.
- How severe is CVE-2022-46836?
- CVE-2022-46836 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.
- Is CVE-2022-46836 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-46836?
- CVE-2022-46836 primarily affects Checkmk. In total, 99 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2022-46836?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2022-46836 published?
- CVE-2022-46836 was published on 2023-02-20 and last updated on 2026-06-17.
References
Affected products (99)
- cpe:2.3:a:checkmk:checkmk:2.1.0:-:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.1.0:b1:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.1.0:b2:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.1.0:b3:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.1.0:b4:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.1.0:b5:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.1.0:b6:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.1.0:b7:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.1.0:b8:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.1.0:b9:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.1.0:p1:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.1.0:p10:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.1.0:p2:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.1.0:p3:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.1.0:p4:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.1.0:p5:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.1.0:p6:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.1.0:p7:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.1.0:p8:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.1.0:p9:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.0.0:-:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.0.0:b1:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.0.0:b2:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.0.0:b3:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.0.0:b4:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.0.0:b5:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.0.0:b6:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.0.0:b7:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.0.0:b8:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.0.0:i1:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.0.0:p1:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.0.0:p10:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.0.0:p11:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.0.0:p12:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.0.0:p13:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.0.0:p14:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.0.0:p15:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.0.0:p16:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.0.0:p17:*:*:*:*:*:*
- cpe:2.3:a:checkmk:checkmk:2.0.0:p18:*:*:*:*:*:*
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