CVE-2021-3169
CRITICALCVSS 9.8/10EPSS 2.75%
Last modified
CVE-2021-3169 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue in Jumpserver before 2.6.2, before 2.5.4, before 2.4.5 allows attackers to create a connection token through an API which does not have access control and use it to access sensitive assets.. EPSS estimates a 2.75% chance of exploitation in the next 30 days.
Description
An issue in Jumpserver before 2.6.2, before 2.5.4, before 2.4.5 allows attackers to create a connection token through an API which does not have access control and use it to access sensitive assets.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Jumpserver | Jumpserver | >= 2.4.0, < 2.4.5 |
| Jumpserver | Jumpserver | >= 2.5.0, < 2.5.4 |
| Jumpserver | Jumpserver | >= 2.6.0, < 2.6.2 |
References
- https://blog.fit2cloud.com/?p=1764Third Party Advisory
- https://mp.weixin.qq.com/s/5tgcaIrnDnGP-LvWPw9YCgThird Party Advisory
- https://s.tencent.com/research/bsafe/1228.htmlThird Party Advisory
- https://blog.fit2cloud.com/?p=1764Third Party Advisory
- https://mp.weixin.qq.com/s/5tgcaIrnDnGP-LvWPw9YCgThird Party Advisory
- https://s.tencent.com/research/bsafe/1228.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-3169?
An issue in Jumpserver before 2.6.2, before 2.5.4, before 2.4.5 allows attackers to create a connection token through an API which does not have access control and use it to access sensitive assets.
How severe is CVE-2021-3169?
CVE-2021-3169 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.75% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3169?
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-2021-31678An issue was discovered in PESCMS-V2.3.3. There is a CSRF vu…6.5
- CVE-2021-31679An issue was discovered in PESCMS-V2.3.3. There is a CSRF vu…6.5
- CVE-2021-31680Deserialization of Untrusted Data vulnerability in yolo 5 al…7.8
- CVE-2021-31681Deserialization of Untrusted Data vulnerability in yolo 3 al…7.8
- CVE-2021-31682The login portal for the Automated Logic WebCTRL/WebCTRL OEM…6.1
- CVE-2021-31684A vulnerability was discovered in the indexOf function of JS…7.5
- CVE-2021-31693The 10Web Photo Gallery plugin through 1.5.68 for WordPress …6.1
- CVE-2021-31698Quectel EG25-G devices through 202006130814 allow executing …9.8
- CVE-2021-31701Mintty before 3.4.7 mishandles Bracketed Paste Mode.7.5
- CVE-2021-31702Frontier ichris through 5.18 mishandles making a DNS request…7.5
- CVE-2021-31703Frontier ichris through 5.18 allows users to upload maliciou…9.8
- CVE-2021-31707Permissions vulnerability found in KiteCMS allows a remote a…9.8
Are you affected by CVE-2021-3169?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST