Vulnerability Details : 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.
Products affected by CVE-2020-2101
- cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*
- cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*
Threat overview for CVE-2020-2101
Top countries where our scanners detected CVE-2020-2101
Top open port discovered on systems with this issue
80
IPs affected by CVE-2020-2101 10,175
Threat actors abusing to this issue?
Yes
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affected by CVE-2020-2101!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
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Exploit prediction scoring system (EPSS) score for CVE-2020-2101
0.39%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 73 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-2101
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
3.5
|
LOW | AV:N/AC:M/Au:S/C:P/I:N/A:N |
6.8
|
2.9
|
NIST | |
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
1.6
|
3.6
|
NIST |
CWE ids for CVE-2020-2101
-
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.Assigned by: nvd@nist.gov (Primary)
-
Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not.Assigned by: jenkinsci-cert@googlegroups.com (Secondary)
References for CVE-2020-2101
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https://access.redhat.com/errata/RHSA-2020:0681
RHSA-2020:0681 - Security Advisory - Red Hat Customer Portal
-
https://access.redhat.com/errata/RHBA-2020:0675
RHBA-2020:0675 - Bug Fix Advisory - Red Hat Customer Portal
-
http://www.openwall.com/lists/oss-security/2020/01/29/1
oss-security - Multiple vulnerabilities in Jenkins and Jenkins pluginsMailing List;Third Party Advisory
-
https://jenkins.io/security/advisory/2020-01-29/#SECURITY-1659
Jenkins Security Advisory 2020-01-29Vendor Advisory
-
https://access.redhat.com/errata/RHBA-2020:0402
RHBA-2020:0402 - Bug Fix Advisory - Red Hat Customer Portal
-
https://access.redhat.com/errata/RHSA-2020:0683
RHSA-2020:0683 - Security Advisory - Red Hat Customer Portal
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