CVE-2026-66372CWE-337

CVE-2026-66372

Medium · published September 16, 2026

CVSS v3.1
6.8
EPSS
0%
Percentile
19.0
In the wild
Unconfirmed
What it is

The affected products use insufficiently random values, which allows web session tokens to be predictable, bounding token entropy to the seed space.

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
7.6 · CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS
0.00276 · 19.0th percentile
Weakness
CWE-337 · Predictable Seed in Pseudo-Random Number Generator (PRNG)
Published
2026-09-16T01:16Z
References (3)
https://digital-watchdog.com/downloads/ · [email protected]https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-258-01.json · [email protected]https://www.cisa.gov/news-events/ics-advisories/icsa-26-258-01 · [email protected]
EPSS history
Timeline
  • 17 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 15 SEP 20:41Z
    Predictable Seed in Pseudo-Random Number Generator (PRNG) in Digital Watchdog VMAX DVR and NVR Product Lineups
    cvelistv5