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CVE-2021-42550

Good to know:

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Date: December 15, 2021

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.

Language: Java

Severity Score

Related Resources (14)

http://seclists.org/fulldisclosure/2022/Jul/11
https://security.netapp.com/advisory/ntap-20211229-0001/
https://github.com/qos-ch/logback
https://github.com/cn-panda/logbackRceDemo
https://cert-portal.siemens.com/productcert/pdf/ssa-371761.pdf
https://github.com/qos-ch/logback/commit/ef4fc4186b74b45ce80d86833820106ff27edd42
https://github.com/qos-ch/logback/blob/1502cba4c1dfd135b2e715bc0cf80c0045d4d128/logback-site/src/site/pages/news.html
https://nvd.nist.gov/vuln/detail/CVE-2021-42550
https://github.com/qos-ch/logback/commit/87291079a1de9369ac67e20dc70a8fdc7cc4359c
http://logback.qos.ch/news.html
http://packetstormsecurity.com/files/167794/Open-Xchange-App-Suite-7.10.x-Cross-Site-Scripting-Command-Injection.html
https://jira.qos.ch/browse/LOGBACK-1591
https://security.netapp.com/advisory/ntap-20211229-0001
https://www.mend.io/vulnerability-database/CVE-2021-42550

Severity Score

Weakness Type (CWE)

Deserialization of Untrusted Data

CWE-502

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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