CVE-2021-3100: amazon web services log4j-cve-2021-44228-hotpatch Execution with Unnecessary Privileges
CVSS: 8.8v3.1HighModified
Published 19-04-2022Last modified 16-09-2024
Vulnerability summary
CVE-2021-3100 is a high (CVSS 8.8) Execution with Unnecessary Privileges vulnerability in amazon web services log4j-cve-2021-44228-hotpatch. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 28.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
0.37%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 19-04-2022PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
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 metrics
3 scores · 2 sources · 2 versionsHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST8.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
High 7.2Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
0.00 pp
From 0.37% on 18-09-2026
18-09-202618-10-2026
EPSS score0.37%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (unit42.paloaltonetworks.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-250Execution with Unnecessary PrivilegesThe product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.
- CWE-269Improper Privilege ManagementThe product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
Affected systems
Amazon1 product
- log4jhotpatch< 1.1-13
Amazon web services1 product
- log4j-cve-2021-44228-hotpatch≥ unspecified, < 1.1-13
2 vendors · 2 products
References
3 links- unit42.paloaltonetworks.com/aws-log4shell-hot-patch-vulnerabilitiesX Refsource MISCExploitThird Party Advisory