Medium severity · published Apr 28, 2021
CVE-2021-31866
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…
5.3
CVSS
1.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
RE
Redmine · Redmine
before 4.0.9; 4.1.0 before 4.1.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-31866
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-31866
Mailing List
https://lists.debian.org/debian-lts-announce/2021/05/msg00013.html
Vendor Advisory
https://www.redmine.org/news/131
Vendor Advisory
https://www.redmine.org/projects/redmine/wiki/Security_Advisories
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