High severity · published Apr 19, 2022
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
8.8
CVSS
0.4%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LO
Log4jhotpatch · Amazon
before 1.1-13 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3100
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3100
Vendor Advisory
https://alas.aws.amazon.com/AL2/ALAS-2021-1732.html
Vendor Advisory
https://alas.aws.amazon.com/ALAS-2021-1554.html
Exploit
https://unit42.paloaltonetworks.com/aws-log4shell-hot-patch-vulnerabilities
More from Log4jhotpatch
8.8
CVE-2022-0070
Incomplete fix for CVE-2021-3100