CVE-2020-11991

CVSS V2 Medium 5 CVSS V3 High 7.5

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.

Overview

CVE ID
CVE-2020-11991

Assigner
security@apache.org

Vulnerability Status
Analyzed

Published Version
2020-09-11T14:15:11

Last Modified Date
2020-09-17T16:37:39

Weakness Enumerations

CWE	URL
CWE-611	http://cwe.mitre.org/data/definitions/611.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:apache:cocoon::::::::	1	OR	2.1	2.1.12

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:N/C:P/I:N/A:N

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
https://lists.apache.org/thread.html/r77add973ea521185e1a90aca00ba9dae7caa8d8b944d92421702bb54%40%3Cusers.cocoon.apache.org%3E	Exploit Mailing List Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-11991
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11991

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:14:31				Added to TrackCVE
2022-12-04 22:23:04	2020-09-11T14:15Z	2020-09-11T14:15:11	CVE Published Date	updated
2022-12-04 22:23:04		2020-09-17T16:37:39	CVE Modified Date	updated
2022-12-04 22:23:04		Analyzed	Vulnerability Status	updated