CVE-2021-31911
MEDIUMCVSS 6.1/10EPSS 0.75%
Last modified
CVE-2021-31911 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. In JetBrains TeamCity before 2020.2.3, reflected XSS was possible on several pages.. EPSS estimates a 0.75% chance of exploitation in the next 30 days.
Description
In JetBrains TeamCity before 2020.2.3, reflected XSS was possible on several pages.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Jetbrains | Teamcity | < 2020.2.3 |
References
- https://blog.jetbrains.comVendor Advisory
- https://blog.jetbrains.comVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-31911?
In JetBrains TeamCity before 2020.2.3, reflected XSS was possible on several pages.
How severe is CVE-2021-31911?
CVE-2021-31911 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.
How do I fix CVE-2021-31911?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-31906In JetBrains TeamCity before 2020.2.2, audit logs were not s…2.7
- CVE-2021-31907In JetBrains TeamCity before 2020.2.2, permission checks for…5.3
- CVE-2021-31908In JetBrains TeamCity before 2020.2.3, stored XSS was possib…5.4
- CVE-2021-31909In JetBrains TeamCity before 2020.2.3, argument injection le…9.8
- CVE-2021-3191Idelji Web ViewPoint Suite, as used in conjunction with HPE …8.8
- CVE-2021-31910In JetBrains TeamCity before 2020.2.3, information disclosur…7.5
- CVE-2021-31912In JetBrains TeamCity before 2020.2.3, account takeover was …8.8
- CVE-2021-31913In JetBrains TeamCity before 2020.2.3, insufficient checks o…7.5
- CVE-2021-31914In JetBrains TeamCity before 2020.2.4 on Windows, arbitrary …9.8
- CVE-2021-31915In JetBrains TeamCity before 2020.2.4, OS command injection …9.8
- CVE-2021-31916An out-of-bounds (OOB) memory write flaw was found in list_d…6.7
- CVE-2021-31917A flaw was found in Red Hat DataGrid 8.x (8.0.0, 8.0.1, 8.1.…9.8
Are you affected by CVE-2021-31911?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST