
CVE catalog
CVE-2020-7043
openfortivpn affected and fixed versions
An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL before 1.0.2. tunnel.c mishandles certificate validation because hostname comparisons do not consider '\0' characters, as demonstrated by a good.example.com\x00evil.example.com attack.
- Severity
- Critical · CVSS 9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.76% · Oct 27, 2026
Projects and upstream resources
Reported versions and fixes
Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.
| Distribution / release | Package | Version | Status | Source |
|---|---|---|---|---|
| Debiantrixie | openfortivpn | 1.12.0-1 | FixedDistribution-reported fixed boundary | [CVE-2020-7043] |
| Debiantrixie | openfortivpn | 1.23.1-1 | Fixed | [CVE-2020-7043] |
| Debiansid | openfortivpn | 1.12.0-1 | FixedDistribution-reported fixed boundary | [CVE-2020-7043] |
| Debiansid | openfortivpn | 1.24.1-1 | Fixed | [CVE-2020-7043] |
| Debianforky | openfortivpn | 1.12.0-1 | FixedDistribution-reported fixed boundary | [CVE-2020-7043] |
| Debianforky | openfortivpn | 1.24.1-1 | Fixed | [CVE-2020-7043] |
| Debianbookworm | openfortivpn | 1.12.0-1 | FixedDistribution-reported fixed boundary | [CVE-2020-7043] |
| Debianbookworm | openfortivpn | 1.19.0-2 | Fixed | [CVE-2020-7043] |
Showing 8 fix observations. All 10 observations, including unknown and conflicting reports, are available below.
Provider details and historical evidence
| Distribution / release | Package | Version | Status | Source |
|---|---|---|---|---|
| Debianbookworm | openfortivpn | 1.12.0-1 | FixedDistribution-reported fixed boundary | [CVE-2020-7043] |
| Debianbookworm | openfortivpn | 1.19.0-2 | Fixed | [CVE-2020-7043] |
| Debianforky | openfortivpn | 1.12.0-1 | FixedDistribution-reported fixed boundary | [CVE-2020-7043] |
| Debianforky | openfortivpn | 1.24.1-1 | Fixed | [CVE-2020-7043] |
| Debiansid | openfortivpn | 1.12.0-1 | FixedDistribution-reported fixed boundary | [CVE-2020-7043] |
| Debiansid | openfortivpn | 1.24.1-1 | Fixed | [CVE-2020-7043] |
| Debiantrixie | openfortivpn | 1.12.0-1 | FixedDistribution-reported fixed boundary | [CVE-2020-7043] |
| Debiantrixie | openfortivpn | 1.23.1-1 | Fixed | [CVE-2020-7043] |
| Ubuntu18.04 | openfortivpn | 1.6.0-1 | UnknownSource applicability is not established | [UBUNTU-CVE-2020-7043] |
| Ubuntu18.04 | openfortivpn | 1.6.0-1build1 | UnknownSource applicability is not established | [UBUNTU-CVE-2020-7043] |
Original provider fields
{
"package_releases": [
{
"name": "openfortivpn",
"status": "fixed",
"release": "sid",
"version": "1.24.1-1"
},
{
"name": "openfortivpn",
"status": "fixed",
"release": "forky",
"version": "1.24.1-1"
},
{
"name": "openfortivpn",
"status": "fixed",
"release": "trixie",
"version": "1.23.1-1"
},
{
"name": "openfortivpn",
"status": "fixed",
"release": "bookworm",
"version": "1.19.0-2"
}
],
"fixed_versions": [
{
"bug": null,
"name": "openfortivpn",
"type": "source",
"origin": null,
"release": "sid",
"urgency": "unimportant",
"fixed_version": "1.12.0-1"
},
{
"bug": null,
"name": "openfortivpn",
"type": "source",
"origin": null,
"release": "forky",
"urgency": "unimportant",
"fixed_version": "1.12.0-1"
},
{
"bug": null,
"name": "openfortivpn",
"type": "source",
"origin": null,
"release": "trixie",
"urgency": "unimportant",
"fixed_version": "1.12.0-1"
},
{
"bug": null,
"name": "openfortivpn",
"type": "source",
"origin": null,
"release": "bookworm",
"urgency": "unimportant",
"fixed_version": "1.12.0-1"
}
],
"distribution_packages": [
{
"name": "openfortivpn",
"distro": "ubuntu",
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"release": "18.04",
"versions": [
"1.6.0-1",
"1.6.0-1build1"
],
"ecosystem": "deb",
"provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-7043",
"fixed_version": "",
"provider_source": "pypi",
"provider_record_id": "UBUNTU-CVE-2020-7043",
"provider_updated_at": "2025-10-24T04:48:18Z",
"applicability_unknown": true
}
]
}OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [openfortivpn]Unknown
Details (2)
1.19.0-2· amd64 · bookwormFixed · Fixed:
1.12.0-1dsa · openfortivpn · debian · bookworm; dsa · openfortivpn · debian · 12
1.19.0-2· arm64 · bookwormFixed · Fixed:
1.12.0-1dsa · openfortivpn · debian · bookworm; dsa · openfortivpn · debian · 12
[Debian 13 (Trixie)]
- [openfortivpn]Unknown
Details (2)
1.23.1-1· amd64 · trixieFixed · Fixed:
1.12.0-1dsa · openfortivpn · debian · 13
1.23.1-1· arm64 · trixieFixed · Fixed:
1.12.0-1dsa · openfortivpn · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2020_0301-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2020-7043]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2020-7043]
- [https://security-tracker.debian.org/tracker/CVE-2020-7043]
- [https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-7043.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]