What’s Vulnerable › Vulnerabilities

CVE-2022-48321: SSRF in agent-receiver API

• Severity: low (CVSS 3.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-02-20 · updated 2026-06-17
• Weakness: CWE-20

Description

Limited Server-Side Request Forgery (SSRF) in agent-receiver in Tribe29's Checkmk <= 2.1.0p11 allows an attacker to communicate with local network restricted endpoints by use of the host registration API.

Affected products

• Checkmk GmbH Checkmk: 2.1.0, 2.1.0-b1, 2.1.0-b2, 2.1.0-b3, 2.1.0-b4, 2.1.0-b5 (+15)

References

• https://checkmk.com/werk/14385
• https://www.sonarsource.com/blog/checkmk-rce-chain-1/
• https://checkmk.com/werk/14385
• https://www.sonarsource.com/blog/checkmk-rce-chain-1/

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