Improper input validation in Apache Log4j
CVE-2021-44832
Apache Log4j2 versions 2.0-beta7 through 2.17.0 (excluding security fix releases 2.3.2 and 2.12.4) are vulnerable to a remote code execution (RCE) attack when a configuration uses a JDBC Appender with a JNDI LDAP data source URI when an at…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.536 (98.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Apache Log4j — versions 2.0
- Apache Software Foundation Log4j2 — versions log4j-core
- Cisco Cloudcenter — versions 4.10.0.16
- Oracle Communications_brm_-_elastic_charging_engine — versions 12.0.0.5.0
- Oracle Communications_diameter_signaling_router
- Oracle Communications_interactive_session_recorder — versions 6.3, 6.4
- Oracle Communications_offline_mediation_controller — versions 12.0.0.5.0
- Oracle Flexcube_private_banking — versions 12.1.0
- Oracle Health_sciences_data_management_workbench — versions 2.5.2.1, 3.0.0.0, 3.1.0.3
- Oracle Policy_automation
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (x_refsource_CISCO, vendor-advisory, Third Party Advisory)
- security@apache.org (Mailing List, x_refsource_MISC, Vendor Advisory)
- security@apache.org (Patch, x_refsource_MISC, Issue Tracking, Vendor Advisory)
- security@apache.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@apache.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@apache.org (x_refsource_CONFIRM, Third Party Advisory)
- security@apache.org (x_refsource_FEDORA, vendor-advisory)
- security@apache.org (x_refsource_FEDORA, vendor-advisory)
- security@apache.org (Patch, Third Party Advisory, x_refsource_MISC)
- security@apache.org (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-44832?
- CVE-2021-44832 is a medium-severity vulnerability in Apache Log4j, classified under Improper Input Validation. CVSS score: 6.6/10. Published 2021-12-28.
- How severe is CVE-2021-44832?
- Medium severity. CVSS v3 base score is 6.6 out of 10.
- Is CVE-2021-44832 known to be exploited?
- 89 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.