CVE Tools
Sign in

CVE-2021-42550

RCE from attacker with configuration edit priviledges through JNDI lookup

Published: Dec 16, 2021Updated: Nov 21, 2024 Sources: CVE List NVD GHSA BDU csafCWE-502
NVD MITRE
6.6CVSSMEDIUM
EPSS Score
4.4%
Top 9.9%
CISA KEV
Not in KEV
Exploits
3 Known
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:HPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-502

Affected Products

logbackqos
Library
OSS Libraries / generic-library
satelliteredhat
On-prem
Enterprise Software / itsm-monitoring
cloud managernetappHardware Firmware
service level managernetappHardware Firmware
snap creator frameworknetappHardware Firmware
qososs-projectOSS Librariesaka reload4j, logback, slf4j
redhatcommercialUSOperating Systemsaka red hat
netappcommercialUSHardware Firmware
and 9 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

3 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

3 techniques
Execution
Initial Access
View detailed technique mapping

References

http://logback.qos.ch/news.html
logback.qos.ch
http://packetstormsecurity.com/files/167794/Open-Xchange-App-Suite-7.10.x-Cross-Site-Scripting-Command-Injection.html
packetstormsecurity.com
http://seclists.org/fulldisclosure/2022/Jul/11
seclists.org
and 22 more references View all →

Timeline

Published
Dec 16, 2021
Last Updated
Nov 21, 2024

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2021-42550 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows