Privilege escalation via arbitrary file write in pritunl electron client 1.0.1116.6 through v1.2.2550.20.

published 2020-11-19 5y ago modified 2026-06-17 4mo ago also EUVD-2020-18619

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits: 0; none known

Privilege escalation via arbitrary file write in pritunl electron client 1.0.1116.6 through v1.2.2550.20. Successful exploitation of the issue may allow an attacker to execute code on the effected system with root privileges.

Patch / fix

links 1

github.com/pritunl/pritunl-client-electron@89f8c99 commit

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Exploit prediction

0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

vkas-afk.github.io https://vkas-afk.github.io/vuln-disclosures/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

CWE-59 Improper Link Resolution Before File Access

References

github.com /pritunl/pritunl-client-electron/commit/89f8c997c6f93e724f68f76f7f47f8891d9acc2d
patch, third-party-advisory
vkas-afk.github.io /vuln-disclosures/
exploit, third-party-advisory

Sources

CVE List CVE-2020-25989
NVD CVE-2020-25989

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