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[email protected]CVE-2020-2102

HistoryJan 29, 2020 - 4:15 p.m.

CVE-2020-2102

2020-01-2916:15:12

CWE-203

[email protected]

web.nvd.nist.gov

cve-2020-2102

jenkins

lts

security vulnerability

hmac validation

nvd

3.5 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:S/C:P/I:N/A:N

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

5.4 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

57.7%

JSON

Jenkins 2.218 and earlier, LTS 2.204.1 and earlier used a non-constant time comparison function when validating an HMAC.

Affected configurations

NVD

Node

jenkinsjenkinsRange≤2.204.1lts

jenkinsjenkinsRange≤2.218-

CPENameOperatorVersion
jenkins:jenkinsjenkinsle2.204.1
jenkins:jenkinsjenkinsle2.218

CPE	Name	Operator	Version
jenkins:jenkins	jenkins	le	2.204.1
jenkins:jenkins	jenkins	le	2.218

CNA Affected

[
  {
    "product": "Jenkins",
    "vendor": "Jenkins project",
    "versions": [
      {
        "lessThanOrEqual": "2.218",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "LTS 2.204.1",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]