How severe is CVE-2022-28890?

CVE-2022-28890 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-28890 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-28890?

CVE-2022-28890 affects Apache Jena. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-28890?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-28890 published?

CVE-2022-28890 was published on 2022-05-05 and last updated on 2026-06-17.

CVE-2022-28890

CVE-2022-28890 is a critical-severity vulnerability in Apache Jena with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-611.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Apache Jena
Published: 2022-05-05
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2022-28890?: 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.
How severe is CVE-2022-28890?: CVE-2022-28890 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-28890 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-28890?: CVE-2022-28890 affects Apache Jena. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-28890?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-28890 published?: CVE-2022-28890 was published on 2022-05-05 and last updated on 2026-06-17.

References

https://lists.apache.org/thread/h88oh642455wljo0p5jgzs9phk4gj878

Affected products (1)

cpe:2.3:a:apache:jena:4.4.0:*:*:*:*:*:*:*

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