What’s Vulnerable › Vulnerabilities

CVE-2021-42560

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-01-12 · updated 2026-06-17
• Weakness: CWE-611

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.).

Affected products

• MITRE Caldera: 2.9.0

References

• https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2021-42560-Unsafe%20XML%20Parsing-MITRE%20Caldera
• https://github.com/mitre/caldera/releases
• https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2021-42560-Unsafe%20XML%20Parsing-MITRE%20Caldera
• https://github.com/mitre/caldera/releases

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