How severe is CVE-2019-20627?

CVE-2019-20627 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-2019-20627 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20627?

CVE-2019-20627 affects Rbsoft Autoupdater.net. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-20627?

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-2019-20627 published?

CVE-2019-20627 was published on 2020-03-23 and last updated on 2026-06-17.

CVE-2019-20627

CVE-2019-20627 is a critical-severity vulnerability in Rbsoft Autoupdater.net 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% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Rbsoft Autoupdater.net
Published: 2020-03-23
Last modified: 2026-06-17

Description

AutoUpdater.cs in AutoUpdater.NET before 1.5.8 allows XXE.

Frequently asked questions

What is CVE-2019-20627?: AutoUpdater.cs in AutoUpdater.NET before 1.5.8 allows XXE.
How severe is CVE-2019-20627?: CVE-2019-20627 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-2019-20627 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20627?: CVE-2019-20627 affects Rbsoft Autoupdater.net. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-20627?: 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-2019-20627 published?: CVE-2019-20627 was published on 2020-03-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rbsoft:autoupdater.net:*:*:*:*:*:*:*:*

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