How severe is CVE-2020-27519?

CVE-2020-27519 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-2020-27519 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-27519?

CVE-2020-27519 affects Pritunl Pritunl-client-electron. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-27519?

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-2020-27519 published?

CVE-2020-27519 was published on 2021-04-30 and last updated on 2026-06-17.

CVE-2020-27519

CVE-2020-27519 is a high-severity vulnerability in Pritunl Pritunl-client-electron 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: 7.2
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Pritunl Pritunl-client-electron
Published: 2021-04-30
Last modified: 2026-06-17

Description

Pritunl Client v1.2.2550.20 contains a local privilege escalation vulnerability in the pritunl-service component. The attack vector is: malicious openvpn config. A local attacker could leverage the log and log-append along with log injection to create or append to privileged script files and execute code as root/SYSTEM.

Frequently asked questions

What is CVE-2020-27519?: Pritunl Client v1.2.2550.20 contains a local privilege escalation vulnerability in the pritunl-service component. The attack vector is: malicious openvpn config. A local attacker could leverage the log and log-append along with log injection to create or append to privileged script files and execute code as root/SYSTEM.
How severe is CVE-2020-27519?: CVE-2020-27519 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-2020-27519 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-27519?: CVE-2020-27519 affects Pritunl Pritunl-client-electron. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-27519?: 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-2020-27519 published?: CVE-2020-27519 was published on 2021-04-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pritunl:pritunl-client-electron:1.2.2550.20:*:*:*:*:*:*:*

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