CVE-2021-42550 RCE from attacker with configuration edit priviledges through JNDI lookup

2021-12-1600:00:00

CWE-502

NCSC.ch

www.cve.org

6.6 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

High

0.016 Low

EPSS

Percentile

87.3%

JSON

In logback version 1.2.7 and prior versions, an attacker with the required privileges to edit configurations files could craft a malicious configuration allowing to execute arbitrary code loaded from LDAP servers.

CNA Affected

[
  {
    "vendor": "QOS.ch",
    "product": "logback",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "1.2.9",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "unspecified",
        "lessThan": "1.3.0-alpha11",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]