CVE-2021-43999

CVSS V2 Medium 6 CVSS V3 High 8.8

Description

Apache Guacamole 1.2.0 and 1.3.0 do not properly validate responses received from a SAML identity provider. If SAML support is enabled, this may allow a malicious user to assume the identity of another Guacamole user.

Overview

CVE ID
CVE-2021-43999

Assigner
security@apache.org

Vulnerability Status
Analyzed

Published Version
2022-01-11T22:15:07

Last Modified Date
2022-01-14T16:16:49

Weakness Enumerations

CWE	URL
CWE-287	http://cwe.mitre.org/data/definitions/287.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:apache:guacamole:1.2.0:-::::::	1	OR
cpe:2.3:a:apache:guacamole:1.3.0:-::::::	1	OR

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
SINGLE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
6

Severity
MEDIUM

Exploitability Score
6.8

Impact Score
6.4

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
8.8

Base Severity
HIGH

Exploitability Score
2.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://lists.apache.org/thread/4dt9h5mo4o9rxlgxm3rp8wfqdtdjn2z9	Mailing List Vendor Advisory
http://www.openwall.com/lists/oss-security/2022/01/11/7	Mailing List Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-43999
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43999

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:37:26				Added to TrackCVE
2022-12-06 06:15:09	2022-01-11T22:15Z	2022-01-11T22:15:07	CVE Published Date	updated
2022-12-06 06:15:09		2022-01-14T16:16:49	CVE Modified Date	updated
2022-12-06 06:15:09		Analyzed	Vulnerability Status	updated