Vulnerability Details : CVE-2021-21606

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier improperly validates the format of a provided fingerprint ID when checking for its existence allowing an attacker to check for the existence of XML files with a short path.
Published 2021-01-13 16:15:14
Updated 2023-10-25 18:16:45
Source Jenkins Project
View at NVD,   CVE.org
Vulnerability category: Input validation

Threat overview for CVE-2021-21606

Top countries where our scanners detected CVE-2021-21606
Top open port discovered on systems with this issue 80
IPs affected by CVE-2021-21606 16,557
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2021-21606!
*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-2021-21606

Probability of exploitation activity in the next 30 days: 0.05%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 20 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-21606

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
4.0
 MEDIUM AV:N/AC:L/Au:S/C:P/I:N/A:N
8.0
2.9
 NIST
4.3
 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
2.8
1.4
 NIST

CWE ids for CVE-2021-21606

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by:
    • jenkinsci-cert@googlegroups.com (Secondary)
    • nvd@nist.gov (Primary)

References for CVE-2021-21606

Products affected by CVE-2021-21606

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