Medium severity · published Dec 16, 2021
CVE-2021-42550
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…
6.6
CVSS
4.8%
EPSS
No
On KEV
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
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.8% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CM
Cloud Manager · Netapp
All versions, or not specified · source: NVD
LO
Logback · Qos
through 1.2.7; 1.3.0; 1.3.0; 1.3.0; 1.3.0; 1.3.0; +6 more · source: NVD
SA
Satellite · Redhat
6.0 · source: NVD
SL
Service Level Manager · Netapp
All versions, or not specified · source: NVD
SN
Sinec Nms · Siemens
before 1.0.3 · source: NVD
SC
Snap Creator Framework · Netapp
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-42550
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-42550
Vendor Advisory
http://logback.qos.ch/news.html
Exploit
http://packetstormsecurity.com/files/167794/Open-Xchange-App-Suite-7.10.x-Cross-Site-Scripting-Command-Injection.html
Mailing List
http://seclists.org/fulldisclosure/2022/Jul/11
Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-371761.pdf
Exploit
https://github.com/cn-panda/logbackRceDemo
Exploit
https://jira.qos.ch/browse/LOGBACK-1591
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