UpHeron
All vulnerabilities

Servers and applications

CVE-2020-2101

Jenkins 2.218 and earlier, LTS 2.204.1 and earlier did not use a constant-time comparison function for validating connection secrets, which could potentially allow an attacker to use a timing attack to obtain this secret.

Severity
Medium 5.3
Published
29 Jan 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.4% in the next 30 daysHigher than 72% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
JenkinsServers and applications · cpe:a:jenkins:jenkins
  • Every version up to 2.204.1
  • Every version up to 2.218

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-2101
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-2101