CVE-2021-3100

The Apache Log4j hotpatch package before log4j-cve-2021-44228-hotpatch-1.1-13 didn’t mimic the permissions of the JVM being patched, allowing it to escalate privileges.

CVSS v3.0 8.8 HIGH
CVSS v2.0 7.2 HIGH

8.8^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.0 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

7.2^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://alas.aws.amazon.com/AL2/ALAS-2021-1732.html	Vendor Advisory
https://alas.aws.amazon.com/ALAS-2021-1554.html	Vendor Advisory
https://unit42.paloaltonetworks.com/aws-log4shell-hot-patch-vulnerabilities	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:amazon:log4jhotpatch:*:*:*:*:*:*:*:*

cpe:2.3:a:linux:linux_kernel:-:*:*:*:*:*:*:*

Information

Published : 2022-04-19 16:15

Updated : 2022-10-06 09:08

NVD link : CVE-2021-3100

Mitre link : CVE-2021-3100

JSON object : View

CWE

CWE-269

Improper Privilege Management

Products Affected

amazon

log4jhotpatch

linux

linux_kernel

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://alas.aws.amazon.com/AL2/ALAS-2021-1732.html", "name": "https://alas.aws.amazon.com/AL2/ALAS-2021-1732.html", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://alas.aws.amazon.com/ALAS-2021-1554.html", "name": "https://alas.aws.amazon.com/ALAS-2021-1554.html", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://unit42.paloaltonetworks.com/aws-log4shell-hot-patch-vulnerabilities", "name": "https://unit42.paloaltonetworks.com/aws-log4shell-hot-patch-vulnerabilities", "tags": ["Exploit", "Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The Apache Log4j hotpatch package before log4j-cve-2021-44228-hotpatch-1.1-13 didn\u2019t mimic the permissions of the JVM being patched, allowing it to escalate privileges."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-269"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-3100", "ASSIGNER": "psirt@paloaltonetworks.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 10.0, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.0}}, "publishedDate": "2022-04-19T23:15Z", "configurations": {"nodes": [{"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:amazon:log4jhotpatch:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.1-13"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:linux:linux_kernel:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-10-06T16:08Z"}

8.8 /10