CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
Called exploited the same day it was disclosed.
Measured from the CVE publication date to the earliest of 3 KEV catalogues that list it.
The life of this vulnerability
- CVE published
- First KEV listingsame day
- Last sighting3mo
Gaps are compressed to equal steps. The elapsed time is printed under each.
Which catalogues call it exploited
- CISA KEVUS federallisted Jun 8, 2026
- EUVDENISA, European Unionlisted Jun 8, 2026
- VulnCheck KEVcommercial researchlisted Jun 8, 2026
- CIRCLaggregator, mirrors the abovelisted Jun 8, 2026, not counted
3 catalogues list it. CIRCL aggregates the others and is shown but not counted.
Public exploitation evidence
- reported exploitationapi.vulncheck.com/v3/index/vulncheck-canaries?cve=CVE-2026-5
- reported exploitationsecurelist.com/malware-report-q2-2026-pc-iot-statistics/1209
- reported exploitationapi.vulncheck.com/v3/index/vulncheck-canaries?cve=CVE-2026-5
- reported exploitationapi.vulncheck.com/v3/index/vulncheck-canaries?cve=CVE-2026-5
- reported exploitationinsights.nccgroup.com/l/898251/2026-07-20/31nm9cf/898251/178
- reported exploitationapi.vulncheck.com/v3/index/vulncheck-canaries?cve=CVE-2026-5
11 public reports collected from VulnCheck and CIRCL, first on Jun 8, 2026. Each links to its original source. We have not verified them.
Description
A logic flow weakness in Remote Access and Mobile Access certificate validation in deprecated IKEv1 key exchange allows an unauthenticated remote attacker to bypass user authentication and establish a remote access VPN connection without a valid user password.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.