CVE-2025-13086: openvpn
CVSS: 7.5v3.1HighAnalyzed
AliasesALPINE-CVE-2025-13086SUSE-SU-2026:0831-1SUSE-SU-2026:20196-1UBUNTU-CVE-2025-13086USN-7898-1DEBIAN-CVE-2025-13086DSA-6069-1openSUSE-SU-2026:20137-1
Published 03-12-2025Last modified 12-12-2025
Vulnerability summary
CVE-2025-13086 is a high (CVSS 7.5) vulnerability in openvpn. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 50% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
0.64%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 03-12-2025PublishedVulnerability first disclosed.
- 12-12-2025Last modifiedVulnerability information updated.
Description
Improper validation of source IP addresses in OpenVPN version 2.6.0 through 2.6.15 and 2.7_alpha1 through 2.7_rc1 allows an attacker to open a session from a different IP address which did not initiate the connection resulting in a denial of service for the originating client
CVSS metrics
7 scores · 5 sources · 2 versionsMedium 4.6Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:USources3 sources · 4.6–8.2
- OSV · UbuntuEcosystem advisory · calculated8.2HighCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:UDiffers
- NVDNIST4.6MediumCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
High 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.64%
Chance of exploitation in the next 30 days
Percentile
50%
Versus all other CVEs
30-day change
0.00 pp
From 0.64% on 21-09-2026
21-09-202621-10-2026
EPSS score0.64%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse8 products
- openvpn-dco&distro=SUSE Linux Enterprise Module for Basesystem 15 SP7< 2.6.10-150600.3.20.1
- openvpn-dco&distro=SUSE Linux Enterprise Server 15 SP6-LTSS< 2.6.10-150600.3.20.1
- openvpn-dco&distro=SUSE Linux Enterprise Server for SAP Applications 15 SP6< 2.6.10-150600.3.20.1
- openvpn&distro=SUSE Linux Enterprise Module for Basesystem 15 SP7< 2.6.10-150600.3.20.1
- openvpn&distro=SUSE Linux Enterprise Server 15 SP6-LTSS< 2.6.10-150600.3.20.1
Opensuse3 products
- openvpn-dco&distro=openSUSE Leap 15.6< 2.6.10-150600.3.20.1
- openvpn&distro=openSUSE Leap 15.6< 2.6.10-150600.3.20.1
- openvpn&distro=openSUSE Leap 16.0< 2.6.10-160000.3.1
Alpine1 product
- openvpn≥ 2.6.0, < 2.6.16-r0
Debian1 product
- openvpn< 2.7.0~rc2-2 | < 2.6.3-1+deb12u4 | < 2.6.14-1+deb13u1
Openvpn1 product
- openvpn≥ 2.6.0, ≤ 2.6.15 | ≥ 2.7_alpha1, ≤ 2.7_rc1 | ≥ 2.6.0, < 2.6.16 | 2.7:alpha1 | 2.7:alpha2 | 2.7:alpha3 | 2.7:beta1 | 2.7:beta2 | 2.7:beta3 | 2.7:rc1
Ubuntu1 product
- openvpn< 2.6.14-0ubuntu0.24.04.3 | < 2.6.14-2ubuntu1.1
6 vendors · 15 products
