TI-2021-18845 Aliases CVE-2021-42560 GHSA-c676-8v9r-pxgj

An issue was discovered in CALDERA 2.9.0.

MEDIUM 42CWE-611Published 2022-01-12 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.).

Why it matters now

EPSS 0.02182 82nd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:mitre:caldera:2.9.0:::::::*	2.9.0	Vulnerable	MITRE

cpe:2.3:a:mitre:caldera:2.9.0:*:*:*:*:*:*:* Versions 2.9.0 Vulnerable ·MITRE

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-42560
2026-10-03 Alias added: GHSA-c676-8v9r-pxgj

References

Exploit 1

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

Advisory 1

https://github.com/mitre/caldera/releases

TI-2022-19658 MITRE CALDERA 4.1.0 allows stored XSS via app.contact.gist (aka the gist contact… CVSS 3.1MEDIUM 5.4
TI-2021-18846 An issue was discovered in CALDERA 2.8.1. CVSS 3.1HIGH 8.8
TI-2020-13738 A command injection vulnerability in the sandcat plugin of Caldera 2.3.1 and earlier… CVSS 3.1HIGH 8.8
TI-2021-18844 An issue was discovered in CALDERA 2.8.1. CVSS 3.1HIGH 8.8
TI-2021-18847 An issue was discovered in CALDERA 2.8.1. CVSS 3.1HIGH 8.1
TI-2021-18843 An issue was discovered in CALDERA 2.8.1. CVSS 3.1MEDIUM 6.1

See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences