How severe is CVE-2019-20456?

CVE-2019-20456 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-20456 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20456?

CVE-2019-20456 primarily affects Goverlan Client Agent. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-20456?

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-2019-20456 published?

CVE-2019-20456 was published on 2020-02-16 and last updated on 2026-06-17.

CVE-2019-20456

CVE-2019-20456 is a high-severity vulnerability in Goverlan Client Agent with a CVSS 3.x base score of 7.8. 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-426.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.4
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-426
Affected product: Goverlan Client Agent
Published: 2020-02-16
Last modified: 2026-06-17

Description

Goverlan Reach Console before 9.50, Goverlan Reach Server before 3.50, and Goverlan Client Agent before 9.20.50 have an Untrusted Search Path that leads to Command Injection and Local Privilege Escalation via DLL hijacking.

Frequently asked questions

What is CVE-2019-20456?: Goverlan Reach Console before 9.50, Goverlan Reach Server before 3.50, and Goverlan Client Agent before 9.20.50 have an Untrusted Search Path that leads to Command Injection and Local Privilege Escalation via DLL hijacking.
How severe is CVE-2019-20456?: CVE-2019-20456 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-20456 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20456?: CVE-2019-20456 primarily affects Goverlan Client Agent. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-20456?: 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-2019-20456 published?: CVE-2019-20456 was published on 2020-02-16 and last updated on 2026-06-17.

References

https://www.goverlan.com/knowledge/article/security-advisory-govsa-2019-1028-1-local-privilege-escalation-2/

Affected products (3)

cpe:2.3:a:goverlan:client_agent:*:*:*:*:*:*:*:*
cpe:2.3:a:goverlan:reach_console:*:*:*:*:*:*:*:*
cpe:2.3:a:goverlan:reach_server:*:*:*:*:*:*:*:*

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