CVE-2021-42560
Title: Mitre Caldera XML External Entity (XXE)
XML External Entity (XXE)
Proof Of Concept
PoC Available for CVE-2021-42560
CWE Category
CWE-611
Published Date
Jan 12, 2022
Modified Date
Nov 21, 2024
Exploit Status
Available
Score
8.8
CVSS v3.1
Exploit Probability (EPSS)
2.15%
Vulnerability Summary
CVE-2021-42560: 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.).
Impacted Vendors
Reference Links
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
CVSS v3.1
Source Entity
[email protected]
Severity
HIGH
8.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity
[email protected]
Severity
MEDIUM
6.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR
AV:N/AC:L/Au:S/C:P/I:P/A:P
Associated Attack Patterns (CAPEC)
Total: PatternsNo specific attack patterns mapped.
Likelihood
Severity
Page /
CVE-2021-42560 Exploits & PoCs (Proof Of Concept)
GitHub
https://github.com/mbadanoiu/CVE-2021-42560
MODIFIED
Vulnerability data or affected products updated.
PUBLISHED
Vulnerability first announced in NVD.
Attack Vector Matrix
Access Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
CVSS Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Stack
No specific products linked.