CVE-2021-42560

Public Exploit

Description

An issue was discovered in CALDERA 2.9.0. The Debrief plugin receives base64 encoded "SVG" parameters when generating a PDF document. These SVG documents are parsed in an unsafe manner and can be leveraged for XXE attacks (e.g., File Exfiltration, Server Side Request Forgery, Out of Band Exfiltration, etc.).

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 9.31% Top 10%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/mitre/caldera/releases third party advisory release notes
https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2021-42560-Unsafe%20XML%20Parsing-MITRE%20Caldera third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-42560?
CVE-2021-42560 has been scored as a high severity vulnerability.
How to fix CVE-2021-42560?
To fix CVE-2021-42560, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-42560 being actively exploited in the wild?
It is possible that CVE-2021-42560 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~9% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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