How severe is CVE-2019-20191?

CVE-2019-20191 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-20191 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20191?

CVE-2019-20191 primarily affects Sync Oxygen Xml Author. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-20191?

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

When was CVE-2019-20191 published?

CVE-2019-20191 was published on 2020-03-16 and last updated on 2026-06-17.

CVE-2019-20191

CVE-2019-20191 is a high-severity vulnerability in Sync Oxygen Xml Author with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Sync Oxygen Xml Author
Published: 2020-03-16
Last modified: 2026-06-17

Description

Oxygen XML Editor 21.1.1 allows XXE to read any file.

Frequently asked questions

What is CVE-2019-20191?: Oxygen XML Editor 21.1.1 allows XXE to read any file.
How severe is CVE-2019-20191?: CVE-2019-20191 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-20191 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20191?: CVE-2019-20191 primarily affects Sync Oxygen Xml Author. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-20191?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-20191 published?: CVE-2019-20191 was published on 2020-03-16 and last updated on 2026-06-17.

References

https://medium.com/%40Pablo0xSantiago/cve-2019-20191-oxygen-xml-editor-21-1-1-allows-xxe-216b816f312b

Affected products (3)

cpe:2.3:a:sync:oxygen_xml_author:*:*:*:*:*:*:*:*
cpe:2.3:a:sync:oxygen_xml_developer:*:*:*:*:*:*:*:*
cpe:2.3:a:sync:oxygen_xml_editor:*:*:*:*:*:*:*:*

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