CVE-2021-42550

RCE from attacker with configuration edit priviledges through JNDI lookup

CVSS 6.6 MEDIUMEPSS 4.4%CWE-502

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.6EPSS 4.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

16 Dec 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

Affected products

QOS.ch · logback

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

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://cert-portal.siemens.com/productcert/pdf/ssa-371761.pdf http://seclists.org/fulldisclosure/2022/Jul/11 https://github.com/cn-panda/logbackRceDemo https://jira.qos.ch/browse/LOGBACK-1591 https://security.netapp.com/advisory/ntap-20211229-0001/