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 arbitrary code loaded from LDAP servers.

CVSS v3.0 6.6 MEDIUM
CVSS v2.0 8.5 HIGH

6.6^/10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.7 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

8.5^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:M/Au:S/C:C/I:C/A:C

Exploitability : 6.8 / Impact : 10.0

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/cn-panda/logbackRceDemo	Exploit Third Party Advisory
https://jira.qos.ch/browse/LOGBACK-1591	Exploit Issue Tracking Patch Third Party Advisory
http://logback.qos.ch/news.html	Vendor Advisory
https://security.netapp.com/advisory/ntap-20211229-0001/	Third Party Advisory
http://seclists.org/fulldisclosure/2022/Jul/11	Mailing List Third Party 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
https://cert-portal.siemens.com/productcert/pdf/ssa-371761.pdf	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:qos:logback:1.3.0:alpha6::::::
	cpe:2.3:a:qos:logback:1.3.0:alpha7::::::
	cpe:2.3:a:qos:logback:1.3.0:alpha8::::::
	cpe:2.3:a:qos:logback:1.3.0:alpha9::::::
	cpe:2.3:a:qos:logback:1.3.0:alpha10::::::
	cpe:2.3:a:qos:logback::::::::
	cpe:2.3:a:qos:logback:1.3.0:alpha0::::::
	cpe:2.3:a:qos:logback:1.3.0:alpha1::::::
	cpe:2.3:a:qos:logback:1.3.0:alpha2::::::
	cpe:2.3:a:qos:logback:1.3.0:alpha3::::::
	cpe:2.3:a:qos:logback:1.3.0:alpha4::::::
	cpe:2.3:a:qos:logback:1.3.0:alpha5::::::

Configuration 2 (hide)

cpe:2.3:a:redhat:satellite:6.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR	cpe:2.3:a:netapp:snap_creator_framework:-:::::::*
	cpe:2.3:a:netapp:service_level_manager:-:::::::*
	cpe:2.3:a:netapp:cloud_manager:-:::::::*

Configuration 4 (hide)

cpe:2.3:a:siemens:sinec_nms:*:*:*:*:*:*:*:*

Information

Published : 2021-12-16 11:15

Updated : 2022-12-12 13:13

NVD link : CVE-2021-42550

Mitre link : CVE-2021-42550

JSON object : View

CWE

CWE-502

Deserialization of Untrusted Data

Products Affected

siemens

sinec_nms

netapp

service_level_manager
cloud_manager
snap_creator_framework

redhat

satellite

qos

logback

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"http://packetstormsecurity.com/files/167794/Open-Xchange-App-Suite-7.10.x-Cross-Site-Scripting-Command-Injection.html", "name": "http://packetstormsecurity.com/files/167794/Open-Xchange-App-Suite-7.10.x-Cross-Site-Scripting-Command-Injection.html", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "refsource": "MISC"}, {"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-371761.pdf", "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-371761.pdf", "tags": ["Third Party Advisory"], "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-502"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-42550", "ASSIGNER": "vulnerability@ncsc.ch"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 8.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:S/C:C/I:C/A:C", "authentication": "SINGLE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 10.0, "obtainAllPrivilege": false, "exploitabilityScore": 6.8, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.6, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.7}}, "publishedDate": "2021-12-16T19:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:qos:logback:1.3.0:alpha6:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:qos:logback:1.3.0:alpha7:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:qos:logback:1.3.0:alpha8:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:qos:logback:1.3.0:alpha9:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:qos:logback:1.3.0:alpha10:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:qos:logback:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "1.2.7"}, {"cpe23Uri": "cpe:2.3:a:qos:logback:1.3.0:alpha0:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:qos:logback:1.3.0:alpha1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:qos:logback:1.3.0:alpha2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:qos:logback:1.3.0:alpha3:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:qos:logback:1.3.0:alpha4:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:qos:logback:1.3.0:alpha5:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:redhat:satellite:6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:netapp:snap_creator_framework:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:netapp:service_level_manager:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:netapp:cloud_manager:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:siemens:sinec_nms:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.0.3"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-12-12T21:13Z"}

6.6 /10