Vulnerability in Jumpserver
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.028 (85.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- mp.weixin.qq.com/s/5tgcaIrnDnGP-LvWPw9YCg (Third Party Advisory)
- s.tencent.com/research/bsafe/1228.html (Third Party Advisory)
- blog.fit2cloud.com/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3169?
- CVE-2021-3169 is a critical-severity vulnerability in Jumpserver, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.8/10. Published 2021-07-23.
- How severe is CVE-2021-3169?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-3169 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.