How severe is CVE-2020-10940?

CVE-2020-10940 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-10940 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-10940?

CVE-2020-10940 primarily affects Phoenixcontact Portico Server 1 Client. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-10940?

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-2020-10940 published?

CVE-2020-10940 was published on 2020-03-27 and last updated on 2026-06-17.

CVE-2020-10940

CVE-2020-10940 is a high-severity vulnerability in Phoenixcontact Portico Server 1 Client 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-269.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Phoenixcontact Portico Server 1 Client
Published: 2020-03-27
Last modified: 2026-06-17

Description

Local Privilege Escalation can occur in PHOENIX CONTACT PORTICO SERVER through 3.0.7 when installed to run as a service.

Frequently asked questions

What is CVE-2020-10940?: Local Privilege Escalation can occur in PHOENIX CONTACT PORTICO SERVER through 3.0.7 when installed to run as a service.
How severe is CVE-2020-10940?: CVE-2020-10940 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-10940 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-10940?: CVE-2020-10940 primarily affects Phoenixcontact Portico Server 1 Client. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-10940?: 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-2020-10940 published?: CVE-2020-10940 was published on 2020-03-27 and last updated on 2026-06-17.

References

https://cert.vde.com/en-us/advisories/vde-2020-013

Affected products (3)

cpe:2.3:a:phoenixcontact:portico_server_1_client:*:*:*:*:*:*:*:*
cpe:2.3:a:phoenixcontact:portico_server_16_client:*:*:*:*:*:*:*:*
cpe:2.3:a:phoenixcontact:portico_server_4_client:*:*:*:*:*:*:*:*

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