Jenkins 2.218 and earlier, LTS 2.204.1 and earlier used a non-constant time comparison function when validating an HMAC.
Published 2020-01-29 16:15:12
Updated 2023-10-25 18:16:29
View at NVD,   CVE.org

Threat overview for CVE-2020-2102

Top countries where our scanners detected CVE-2020-2102
Top open port discovered on systems with this issue 80
IPs affected by CVE-2020-2102 9,108
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2020-2102!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2020-2102

0.20%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-2102

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-2020-2102

  • 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-2020-2102

Products affected by CVE-2020-2102

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