// For flags

CVE-2021-3100

Log4j hot patch package privilege escalation

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

El paquete hotpatch de Apache Log4j anterior a log4j-cve-2021-44228-hotpatch-1.1-13 no imitaba los permisos de la JVM que se parcheaba, lo que permitía escalar privilegios

*Credits: Yuval Avrahami, Palo Alto Networks
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-07 CVE Reserved
  • 2022-04-19 CVE Published
  • 2024-07-11 EPSS Updated
  • 2024-09-16 CVE Updated
  • 2024-09-16 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-250: Execution with Unnecessary Privileges
  • CWE-269: Improper Privilege Management
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Amazon
Search vendor "Amazon"
 Log4jhotpatch
Search vendor "Amazon" for product "Log4jhotpatch"
 < 1.1-13
Search vendor "Amazon" for product "Log4jhotpatch" and version " < 1.1-13"
-
Affected
in Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
--
Safe