CVE-2021-42550

CVSS V2 High 8.5 CVSS V3 Medium 6.6
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.
Overview
  • CVE ID
  • CVE-2021-42550
  • Assigner
  • vulnerability@ncsc.ch
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-12-16T19:15:08
  • Last Modified Date
  • 2022-12-12T21:13:07
Weakness Enumerations
CWE URL
CWE-502 http://cwe.mitre.org/data/definitions/502.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:qos:logback:*:*:*:*:*:*:*:* 1 OR 1.2.7
cpe:2.3:a:qos:logback:1.3.0:alpha0:*:*:*:*:*:* 1 OR
cpe:2.3:a:qos:logback:1.3.0:alpha1:*:*:*:*:*:* 1 OR
cpe:2.3:a:qos:logback:1.3.0:alpha10:*:*:*:*:*:* 1 OR
cpe:2.3:a:qos:logback:1.3.0:alpha2:*:*:*:*:*:* 1 OR
cpe:2.3:a:qos:logback:1.3.0:alpha3:*:*:*:*:*:* 1 OR
cpe:2.3:a:qos:logback:1.3.0:alpha4:*:*:*:*:*:* 1 OR
cpe:2.3:a:qos:logback:1.3.0:alpha5:*:*:*:*:*:* 1 OR
cpe:2.3:a:qos:logback:1.3.0:alpha6:*:*:*:*:*:* 1 OR
cpe:2.3:a:qos:logback:1.3.0:alpha7:*:*:*:*:*:* 1 OR
cpe:2.3:a:qos:logback:1.3.0:alpha8:*:*:*:*:*:* 1 OR
cpe:2.3:a:qos:logback:1.3.0:alpha9:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:satellite:6.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:cloud_manager:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:service_level_manager:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:snap_creator_framework:-:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:S/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 8.5
  • Severity
  • HIGH
  • Exploitability Score
  • 6.8
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 6.6
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 0.7
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
http://logback.qos.ch/news.html Vendor Advisory
http://packetstormsecurity.com/files/167794/Open-Xchange-App-Suite-7.10.x-Cross-Site-Scripting-Command-Injection.html Exploit Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2022/Jul/11 Mailing List Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-371761.pdf
https://github.com/cn-panda/logbackRceDemo Exploit Third Party Advisory
https://jira.qos.ch/browse/LOGBACK-1591 Exploit Issue Tracking Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20211229-0001/ Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-42550
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42550
History
Created Old Value New Value Data Type Notes
2022-04-04 00:41:03 Added to TrackCVE
2022-12-06 04:13:58 2021-12-16T19:15Z 2021-12-16T19:15:08 CVE Published Date updated
2022-12-06 04:13:58 2022-11-08T14:15:11 CVE Modified Date updated
2022-12-06 04:13:58 Undergoing Analysis Vulnerability Status updated
2022-12-06 04:14:03 References updated
2022-12-12 22:12:32 2022-12-12T21:13:07 CVE Modified Date updated
2022-12-12 22:12:32 Undergoing Analysis Analyzed Vulnerability Status updated