CVE-2021-42096: debian debian_linux
CVSS: 4.3v3.1MediumModified
AliasesUBUNTU-CVE-2021-42096
Published 21-10-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-42096 is a medium (CVSS 4.3) vulnerability in debian debian_linux. EPSS estimates a 1.25% chance of exploitation in the next 30 days, higher than 68.9% of scored vulnerabilities.
CVSS score
4.3/10
010
Medium · v3.1 (NVD)EPSS score
1.25%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 11 · Related 5Timeline
- 21-10-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A certain csrf_token value is derived from the admin password, and may be useful in conducting a brute-force attack against that password.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 4.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Medium 4.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
1.25%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
0.00 pp
From 1.25% on 18-09-2026
18-09-202618-10-2026
EPSS score1.25%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- debian_linuxEOL10.0
Gnu1 product
- mailman< 2.1.35
Ubuntu1 product
- mailman< 1:2.1.20-1ubuntu0.6+esm1 | < 1:2.1.26-1ubuntu0.4 | < 1:2.1.29-1ubuntu3.1
3 vendors · 3 products
References
10 links- www.openwall.com/lists/oss-security/2021/10/21/4Mailing ListX Refsource MLISTPatchThird Party Advisory
