CVE catalog
CVE-2020-12105
openconnect: CVE-2020-12105
- Severity
- Medium · CVSS 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.74% · Oct 25, 2026
OpenConnect through 8.08 mishandles negative return values from X509_check_ function calls, which might assist attackers in performing man-in-the-middle attacks.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | openconnect | sid | 9.21-5 | vulnerable |
| Debian | openconnect | forky | 9.21-5 | vulnerable |
| Debian | openconnect | trixie | 9.12-3+deb13u2 | vulnerable |
| Debian | openconnect | bookworm | 9.01-3 | vulnerable |
| Suse | oath-toolkit | linux enterprise module for basesystem 15 sp5 | 2.6.2-150000.3.5.1 | fixed |
| Suse | oath-toolkit | linux enterprise module for package hub 15 sp5 | 2.6.2-150000.3.5.1 | fixed |
| Suse | openconnect | linux enterprise module for package hub 15 sp5 | 9.12-150400.15.3.1 | fixed |
| Suse | stoken | linux enterprise module for package hub 15 sp5 | 0.81-150400.13.2.1 | fixed |
| Suse | oath-toolkit | linux enterprise workstation extension 15 sp5 | 2.6.2-150000.3.5.1 | fixed |
| Suse | openconnect | linux enterprise workstation extension 15 sp5 | 9.12-150400.15.3.1 | fixed |
| Suse | stoken | linux enterprise workstation extension 15 sp5 | 0.81-150400.13.2.1 | fixed |
| Opensuse | oath-toolkit | leap 15.5 | 2.6.2-150000.3.5.1 | fixed |
| Opensuse | openconnect | leap 15.5 | 9.12-150400.15.3.1 | fixed |
| Opensuse | stoken | leap 15.5 | 0.81-150400.13.2.1 | fixed |
| Opensuse | openconnect | leap 15.1 | 7.08-lp151.6.6.1 | fixed |
| Suse | openconnect | linux enterprise workstation extension 15 sp1 | 7.08-6.6.1 | fixed |
| Suse | openconnect | linux enterprise workstation extension 12 sp4 | 7.08-3.9.1 | fixed |
| Suse | openconnect | linux enterprise workstation extension 12 sp5 | 7.08-3.9.1 | fixed |
| Opensuse | openconnect | tumbleweed | 8.10-2.6 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | openconnect | source | sid | (unfixed) | unimportant | Not reported | [959428] |
| Debian | openconnect | source | forky | (unfixed) | unimportant | Not reported | [959428] |
| Debian | openconnect | source | trixie | (unfixed) | unimportant | Not reported | [959428] |
| Debian | openconnect | source | bookworm | (unfixed) | unimportant | Not reported | [959428] |
| Suse | oath-toolkit | rpm | linux enterprise module for basesystem 15 sp5 | 2.6.2-150000.3.5.1 | Not reported | SUSE-SU-2024:0317-1 | Not reported |
| Suse | oath-toolkit | rpm | linux enterprise module for package hub 15 sp5 | 2.6.2-150000.3.5.1 | Not reported | SUSE-SU-2024:0317-1 | Not reported |
| Suse | openconnect | rpm | linux enterprise module for package hub 15 sp5 | 9.12-150400.15.3.1 | Not reported | SUSE-SU-2024:0317-1 | Not reported |
| Suse | stoken | rpm | linux enterprise module for package hub 15 sp5 | 0.81-150400.13.2.1 | Not reported | SUSE-SU-2024:0317-1 | Not reported |
| Suse | oath-toolkit | rpm | linux enterprise workstation extension 15 sp5 | 2.6.2-150000.3.5.1 | Not reported | SUSE-SU-2024:0317-1 | Not reported |
| Suse | openconnect | rpm | linux enterprise workstation extension 15 sp5 | 9.12-150400.15.3.1 | Not reported | SUSE-SU-2024:0317-1 | Not reported |
| Suse | stoken | rpm | linux enterprise workstation extension 15 sp5 | 0.81-150400.13.2.1 | Not reported | SUSE-SU-2024:0317-1 | Not reported |
| Opensuse | oath-toolkit | rpm | leap 15.5 | 2.6.2-150000.3.5.1 | Not reported | SUSE-SU-2024:0317-1 | Not reported |
| Opensuse | openconnect | rpm | leap 15.5 | 9.12-150400.15.3.1 | Not reported | SUSE-SU-2024:0317-1 | Not reported |
| Opensuse | stoken | rpm | leap 15.5 | 0.81-150400.13.2.1 | Not reported | SUSE-SU-2024:0317-1 | Not reported |
| Opensuse | openconnect | rpm | leap 15.1 | 7.08-lp151.6.6.1 | Not reported | OPENSUSE-SU-2020:0694-1 | Not reported |
| Suse | openconnect | rpm | linux enterprise workstation extension 15 sp1 | 7.08-6.6.1 | Not reported | SUSE-SU-2020:1337-1 | Not reported |
| Suse | openconnect | rpm | linux enterprise workstation extension 12 sp4 | 7.08-3.9.1 | Not reported | SUSE-SU-2020:1264-1 | Not reported |
| Suse | openconnect | rpm | linux enterprise workstation extension 12 sp5 | 7.08-3.9.1 | Not reported | SUSE-SU-2020:1264-1 | Not reported |
| Opensuse | openconnect | rpm | tumbleweed | 8.10-2.6 | Not reported | OPENSUSE-SU-2024:11114-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libopenconnect5]Affected
Source package: [openconnect]
Details (2)
9.01-3· amd64 · bookwormAffected
dsa · openconnect · debian · bookworm; dsa · openconnect · debian · 12
9.01-3· arm64 · bookwormAffected
dsa · openconnect · debian · bookworm; dsa · openconnect · debian · 12
- [libopenconnect-dev]Affected
Source package: [openconnect]
Details (2)
9.01-3· amd64 · bookwormAffected
dsa · openconnect · debian · bookworm; dsa · openconnect · debian · 12
9.01-3· arm64 · bookwormAffected
dsa · openconnect · debian · bookworm; dsa · openconnect · debian · 12
- [openconnect]Affected
Details (2)
9.01-3· amd64 · bookwormAffected
dsa · openconnect · debian · bookworm; dsa · openconnect · debian · 12
9.01-3· arm64 · bookwormAffected
dsa · openconnect · debian · bookworm; dsa · openconnect · debian · 12
[Debian 13 (Trixie)]
- [libopenconnect5]Affected
Source package: [openconnect]
Details (2)
9.12-3+deb13u2· amd64 · trixieAffected
dsa · openconnect · debian · 13
9.12-3+deb13u2· arm64 · trixieAffected
dsa · openconnect · debian · 13
- [libopenconnect-dev]Affected
Source package: [openconnect]
Details (2)
9.12-3+deb13u2· amd64 · trixieAffected
dsa · openconnect · debian · 13
9.12-3+deb13u2· arm64 · trixieAffected
dsa · openconnect · debian · 13
- [openconnect]Affected
Details (2)
9.12-3+deb13u2· amd64 · trixieAffected
dsa · openconnect · debian · 13
9.12-3+deb13u2· arm64 · trixieAffected
dsa · openconnect · debian · 13
[openSUSE Tumbleweed]
- [libopenconnect5]Unknown
Source package: [openconnect]
Details (1)
9.21-1.3· x86_64 · tumbleweedUnknown · Fixed:
8.10-2.6Version impact unknown
dsa · openconnect · opensuse · tumbleweed
- [openconnect-bash-completion]Unknown
Source package: [openconnect]
Details (1)
9.21-1.3· noarch · tumbleweedUnknown · Fixed:
8.10-2.6Version impact unknown
dsa · openconnect · opensuse · tumbleweed
- [openconnect-devel]Unknown
Source package: [openconnect]
Details (1)
9.21-1.3· x86_64 · tumbleweedUnknown · Fixed:
8.10-2.6Version impact unknown
dsa · openconnect · opensuse · tumbleweed
- [openconnect-doc]Unknown
Source package: [openconnect]
Details (1)
9.21-1.3· noarch · tumbleweedUnknown · Fixed:
8.10-2.6Version impact unknown
dsa · openconnect · opensuse · tumbleweed
- [openconnect-lang]Unknown
Source package: [openconnect]
Details (1)
9.21-1.3· noarch · tumbleweedUnknown · Fixed:
8.10-2.6Version impact unknown
dsa · openconnect · opensuse · tumbleweed
- [openconnect]Fixed
Source package: [openconnect]
Details (1)
9.21-1.3· x86_64 · tumbleweedFixed · Fixed:
8.10-2.6dsa · openconnect · opensuse · tumbleweed
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2020_1264-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2020-12105]
- [https://osv.dev/vulnerability/SUSE-SU-2020:1264-1]
- [https://osv.dev/vulnerability/SUSE-SU-2020:1337-1]
- [https://osv.dev/vulnerability/SUSE-SU-2024:0317-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2020:0694-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:11114-1]
- [https://security-tracker.debian.org/tracker/CVE-2020-12105]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]