A vulnerability in the RDF/XML parser of Apache Jena allows an attacker to cause an external DTD to be retrieved. This issue affects Apache Jena version 4.4.0 and prior versions. Apache Jena 4.2.x and 4.3.x do not allow external entities.
CVE-2022-28890
CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence
This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.5%, top 34% 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
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 9.8Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EPSS
- 82.6%
- KEV
- Not listed
Published
May 5, 2022
Last Modified
November 21, 2024
Advisory Details (1)
Auto-updated Jun 8, 2026No patch confirmed yet.
Affected Packages
(1 across 1 ecosystem)
Maven(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| org.apache.jena:jena | 4.4.0 | 4.5.0 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Frequently asked(5)
What is CVE-2022-28890?
CVE-2022-28890 is a critical vulnerability published on May 5, 2022. A vulnerability in the RDF/XML parser of Apache Jena allows an attacker to cause an external DTD to be retrieved. This issue affects Apache Jena version 4.4.0 and prior versions. Apache Jena 4.2.x and 4.3.x do not allow external entities.
When was CVE-2022-28890 disclosed?
CVE-2022-28890 was first published in the National Vulnerability Database on May 5, 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-2022-28890 actively exploited?
CVE-2022-28890 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-28890?
CVE-2022-28890 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2022-28890?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-28890, 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
See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-28890
Is Your Infrastructure Affected by CVE-2022-28890?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.