How severe is CVE-2020-15074?

CVE-2020-15074 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 none, integrity high, and availability none.

Is CVE-2020-15074 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15074?

CVE-2020-15074 affects Openvpn Openvpn Access Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15074?

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-2020-15074 published?

CVE-2020-15074 was published on 2020-07-14 and last updated on 2026-06-17.

CVE-2020-15074

CVE-2020-15074 is a high-severity vulnerability in Openvpn Openvpn Access Server 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-613.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-613
Affected product: Openvpn Openvpn Access Server
Published: 2020-07-14
Last modified: 2026-06-17

Description

OpenVPN Access Server older than version 2.8.4 and version 2.9.5 generates new user authentication tokens instead of reusing exiting tokens on reconnect making it possible to circumvent the initial token expiry timestamp.

Frequently asked questions

What is CVE-2020-15074?: OpenVPN Access Server older than version 2.8.4 and version 2.9.5 generates new user authentication tokens instead of reusing exiting tokens on reconnect making it possible to circumvent the initial token expiry timestamp.
How severe is CVE-2020-15074?: CVE-2020-15074 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 none, integrity high, and availability none.
Is CVE-2020-15074 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15074?: CVE-2020-15074 affects Openvpn Openvpn Access Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15074?: 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-2020-15074 published?: CVE-2020-15074 was published on 2020-07-14 and last updated on 2026-06-17.

References

https://openvpn.net/vpn-server-resources/release-notes/

Affected products (1)

cpe:2.3:a:openvpn:openvpn_access_server:*:*:*:*:*:*:*:*

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