CVE-2022-23437

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.5 under NVD CVSS v3. EPSS exploit probability: 4.4%, top 10% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Trending — 3 sources updated this week
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 4%CVSS: 6.5Exploit: NoneExposed: 0

A fix is available — apply it.

There's a vulnerability within the Apache Xerces Java (XercesJ) XML parser when handling specially crafted XML document payloads. This causes, the XercesJ XML parser to wait in an infinite loop, which may sometimes consume system resources for prolonged duration. This vulnerability is present within XercesJ version 2.12.1 and the previous versions.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
—
EPSS
90.4%
KEV
Not listed

Published

January 24, 2022

Last Modified

November 21, 2024

References (10)

Vendor Advisories for CVE-2022-23437(4)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatxercesimpl2022-10-05redhat
redhatxerces-j22022-06-06redhat
redhateap7-xerces-j2-0:2.12.0-3.SP04_redhat_00001.1.el8eap2022-06-06redhat
redhateap7-xerces-j2-0:2.12.0-3.SP04_redhat_00001.1.el7eap2022-06-06redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
Maven(1)
PackageVulnerable rangeFixed inDependents
xerces:xercesImpl2.0.0 ... 2.9.1 (19 versions)2.12.2—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 13× in last 7d / 46× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 102 total refreshes for this CVE.

  1. 2026-07-22 22:55 UTCEG score recompute
  2. 2026-07-22 14:06 UTCEPSS rescore
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  11. 2026-07-18 02:29 UTCOSV refresh
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  10. 2026-06-29 22:14 UTCOSV refresh
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  41. 2026-06-12 11:10 UTCOSV refresh
  42. 2026-06-11 13:58 UTCEPSS rescore
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Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2022-23437?
CVE-2022-23437 is a medium vulnerability published on January 24, 2022. There's a vulnerability within the Apache Xerces Java (XercesJ) XML parser when handling specially crafted XML document payloads. This causes, the XercesJ XML parser to wait in an infinite loop, which may sometimes consume system resources for prolonged duration. This vulnerability is present…
When was CVE-2022-23437 disclosed?
CVE-2022-23437 was first published in the National Vulnerability Database on January 24, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-23437 actively exploited?
CVE-2022-23437 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 90.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-23437?
CVE-2022-23437 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2022-23437?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-23437, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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