CWE-337Variant

Predictable Seed in Pseudo-Random Number Generator (PRNG)

Draft in the CWE catalog · 16 CVEs mapped

16
CVEs mapped
7.2
Median CVSS
What it is

A Pseudo-Random Number Generator (PRNG) is initialized from a predictable seed, such as the process ID or system time.

Recent examples
4.6cvss
CVE-2026-73794

CVE-2026-73794 - MEDIUM Severity Vulnerability

HPE NonStop MODULAR NSJ  contains a predictable seed vulnerability in Random Number Generation (PRNG)

MEDIUMno explanation yet
0%
epss
—none
CVE-2026-19396

CVE-2026-19396 - UNKNOWN Severity Vulnerability

A predictable seed in the pseudo-random number generator (PRNG) in the IFTTT pairing token generation of the ASUS RT-BE57 router allows an unauthenticated nearby user to derive the pairing token and read or modify router settings via observed values from an administrator-initiated IFTTT pairing session.Refer to the ' Security Update for ASUS Router Firmware  ' section on the ASUS Security Advisory for more information.

no explanation yet
0%
epss
6.8cvss
CVE-2026-66372

CVE-2026-66372 - MEDIUM Severity Vulnerability

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

MEDIUMno explanation yet
0%
epss
The record
Technical detail
CWE ID
CWE-337
Abstraction
Variant
Structure
Simple
Status
Draft
References (2)