CVE-2021-43185: jetbrains youtrack Injection
CVSS: 9.8v3.1CriticalModified
Published 09-11-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-43185 is a critical (CVSS 9.8) Injection vulnerability in jetbrains youtrack. EPSS estimates a 2.01% chance of exploitation in the next 30 days, higher than 80.5% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
2.01%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-11-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
JetBrains YouTrack before 2021.3.23639 is vulnerable to Host header injection.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.01%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
0.00 pp
From 2.01% on 19-09-2026
19-09-202619-10-2026
EPSS score2.01%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Jetbrains1 product
- youtrack< 2021.3.23639
1 vendor · 1 product
References
1 links- blog.jetbrains.com/blog/2021/11/08/jetbrains-security-bulletin-q3-2021/X Refsource MISCVendor Advisory