Executive Summary

Informations
Name CVE-2021-42550 First vendor Publication 2021-12-16
Vendor Cve Last vendor Modification 2022-12-12

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 6.6
Base Score 6.6 Environmental Score 6.6
impact SubScore 5.9 Temporal Score 6.6
Exploitabality Sub Score 0.7
 
Attack Vector Network Attack Complexity High
Privileges Required High User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:S/C:C/I:C/A:C)
Cvss Base Score 8.5 Attack Range Network
Cvss Impact Score 10 Attack Complexity Medium
Cvss Expoit Score 6.8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42550

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-502 Deserialization of Untrusted Data

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Application 1
Application 12
Application 1
Application 4

Sources (Detail)

Source Url
CONFIRM http://logback.qos.ch/news.html
https://cert-portal.siemens.com/productcert/pdf/ssa-371761.pdf
https://security.netapp.com/advisory/ntap-20211229-0001/
FULLDISC http://seclists.org/fulldisclosure/2022/Jul/11
MISC http://packetstormsecurity.com/files/167794/Open-Xchange-App-Suite-7.10.x-Cro...
https://github.com/cn-panda/logbackRceDemo
https://jira.qos.ch/browse/LOGBACK-1591

Alert History

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Date Informations
2022-12-13 00:27:32
  • Multiple Updates
2022-11-08 17:27:31
  • Multiple Updates
2022-10-28 21:27:45
  • Multiple Updates
2022-07-23 02:09:49
  • Multiple Updates
2022-07-23 02:05:35
  • Multiple Updates
2022-07-23 00:27:31
  • Multiple Updates
2022-07-22 13:27:30
  • Multiple Updates
2022-03-29 21:23:09
  • Multiple Updates
2021-12-30 00:22:59
  • Multiple Updates
2021-12-22 09:23:03
  • Multiple Updates
2021-12-17 00:22:59
  • First insertion