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CVE-2021-31866

Date: April 28, 2021

Redmine before 4.0.9 and 4.1.x before 4.1.3 allows an attacker to learn the values of internal authentication keys by observing timing differences in string comparison operations within SysController and MailHandlerController.

Language: Ruby

Severity Score

Related Resources (7)

https://nvd.nist.gov/vuln/detail/CVE-2021-31866
https://security-tracker.debian.org/tracker/CVE-2021-31866
https://www.redmine.org/news/131
https://www.redmine.org/projects/redmine/wiki/Security_Advisories
https://lists.debian.org/debian-lts-announce/2021/05/msg00013.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-31866
https://www.mend.io/vulnerability-database/CVE-2021-31866

Severity Score

Weakness Type (CWE)

Observable Discrepancy

CWE-203

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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