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osvGoogleOSV:CVE-2021-3639
HistoryAug 22, 2022 - 3:15 p.m.

CVE-2021-3639

2022-08-2215:15:13
Google
osv.dev
4
mod_auth_mellon
logout urls
phishing
attacker
web application
malicious server
confidentiality
integrity

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

30.8%

A flaw was found in mod_auth_mellon where it does not sanitize logout URLs properly. This issue could be used by an attacker to facilitate phishing attacks by tricking users into visiting a trusted web application URL that redirects to an external and potentially malicious server. The highest threat from this liability is to confidentiality and integrity.

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

30.8%