High severity · published Sep 11, 2020
CVE-2020-11991
When using the StreamGenerator, the code parse a user-provided XML
7.5
CVSS
72.5%
EPSS
No
On KEV
Description
When using the StreamGenerator, the code parse a user-provided XML. A specially crafted XML, including external system entities, could be used to access any file on the server system.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)72.5% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
Cocoon · Apache
2.1 through 2.1.12 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-11991
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-11991
Exploit
https://lists.apache.org/thread.html/r77add973ea521185e1a90aca00ba9dae7caa8d8b944d92421702bb54%40%3Cusers.cocoon.apache.org%3E
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