CVE-2021-42559
HIGHCVSS 8.8/10EPSS 1.96%
Last modified
CVE-2021-42559 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An issue was discovered in CALDERA 2.8.1. It contains multiple startup "requirements" that execute commands when starting the server. EPSS estimates a 1.96% chance of exploitation in the next 30 days.
Description
An issue was discovered in CALDERA 2.8.1. It contains multiple startup "requirements" that execute commands when starting the server. Because these commands can be changed via the REST API, an authenticated user can insert arbitrary commands that will execute when the server is restarted.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mitre | Caldera | <= 2.8.1 |
References
- https://github.com/mitre/caldera/releasesRelease Notes
- https://github.com/mitre/caldera/releasesRelease Notes
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-42559?
An issue was discovered in CALDERA 2.8.1. It contains multiple startup "requirements" that execute commands when starting the server. Because these commands can be changed via the REST API, an authenticated user can insert arbitrary commands that will execute when the server is restarted.
How severe is CVE-2021-42559?
CVE-2021-42559 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.96% probability of exploitation in the next 30 days.
How do I fix CVE-2021-42559?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-42559?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST