CVE-2021-42550
6.6 · MEDIUMOverview
CVE-2021-42550 is a medium-severity vulnerability affecting qos logback. It was published on December 16, 2021 and has a CVSS 3.1 base score of 6.6 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.6, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
In logback version 1.2.7 and prior versions, an attacker with the required privileges to edit configurations files could craft a malicious configuration allowing to execute arbitrary code loaded from LDAP servers.
Remediation
Check the references section for vendor advisories and patches from qos. Update logback to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| qos | logback | 0 | Affected |
| siemens | sinec_nms | >= 0, < 1.0.3 | Affected |
References
Frequently Asked Questions
What is CVE-2021-42550?
CVE-2021-42550 is a medium-severity vulnerability affecting qos logback. It was published on December 16, 2021 and has a CVSS 3.1 base score of 6.6 (MEDIUM).
How severe is CVE-2021-42550?
This vulnerability has a CVSS 3.1 base score of 6.6, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-42550?
Check the references section for vendor advisories and patches from qos. Update logback to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-42550?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-42550 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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