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Fencer Vulns
medium 5.3

CVE-2020-7041 json

An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL 1.0.2 or later.

published 2020-02-27 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-28175

cvss
5.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

Summary

An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL 1.0.2 or later. tunnel.c mishandles certificate validation because an X509_check_host negative error code is interpreted as a successful return value.

Patch / fix

  • openfortivpn_project openfortivpn 1.12.0
  • openfortivpn Debian 14, Debian 13, Debian 12 1.12.0-1

debian advisories DEBIAN-CVE-2020-7041

  • openfortivpn openSUSE Tumbleweed 1.17.1-1.1
  • openfortivpn Package Hub 15 SP1 1.12.0-bp151.3.3.1
  • openfortivpn openSUSE Leap 15.1 1.12.0-lp151.2.5.1

opensuse advisories openSUSE-SU-2024:11118-1openSUSE-SU-2020:0305-1openSUSE-SU-2020:0301-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-7041 updated cvss 5.3

openfortivpn: mishandling of certificate validation due to X509_check_host negative error code

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.75% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-295 Improper Certificate Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.