Maven org.apache.logging.log4j:log4j-core

Name: Maven org.apache.logging.log4j:log4j-core
Brand: Maven

productUS

pkg:maven/org.apache.logging.log4j/log4j-core

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

unpatched

by severity

3critical4high4medium1low

updated 2026-10-28

vulnerabilities (12)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2021-44228US	critical10.0OT critical	100.0% (100th)	KEV	2.12.2	2021-12-10	3 versions
CVE-2021-45046US	critical9.0OT critical	100.0% (100th)	KEV	2.16.0	2021-12-14	3 versions
CVE-2021-45105US	medium5.9	100.0% (100th)	Exploit	2.12.3	2021-12-18	3 versions
CVE-2021-44832US	medium6.6	97.9% (100th)	Exploit	2.12.4	2021-12-28	3 versions
CVE-2017-5645US	critical9.8	89.4% (100th)	Exploit	2.8.2	2017-04-17	2.0 → 2.8.2
CVE-2020-9488US	low3.7	8.22% (95th)	Exploit	2.12.3	2020-04-27	3 versions
CVE-2023-26464US	high7.5	1.91% (80th)	—	2.0	2023-03-10	1.0.4 → 2.0
CVE-2026-34480US	high7.5	1.05% (64th)	—	2.25.4	2026-04-10	2 versions
CVE-2026-34478US	high7.5	0.97% (62nd)	—	2.25.4	2026-04-10	2 versions
CVE-2025-68161US	medium4.8	0.77% (55th)	—	2.25.3	2025-12-18	2.0-beta9 → 2.25.3
CVE-2026-34477US	medium5.9	0.56% (46th)	—	2.25.4	2026-04-10	2 versions
CVE-2026-34479US	high7.5	0.53% (45th)	—	2.25.4	2026-04-10	2 versions

The flaw types (CWEs) most of these CVEs share.

CWE-20Improper Input Validation4 CVEs
CWE-502Deserialization of Untrusted Data4 CVEs
CWE-295Improper Certificate Validation3 CVEs
CWE-297Improper Validation of Certificate with Host Mismatch3 CVEs
CWE-116Improper Encoding or Escaping of Output2 CVEs
CWE-400Uncontrolled Resource Consumption2 CVEs
CWE-917Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')2 CVEs
CWE-117Improper Output Neutralization for Logs1 CVEs

Which sources assert this record, and when.

scry

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