CVE-2026-20449CWE-120

In Modem, there is a possible system crash due to a heap buffer overflow

Medium · published May 4, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
12.3
In the wild
Unconfirmed
What it is

In Modem, there is a possible system crash due to a heap buffer overflow. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01760138; Issue ID: MSV-6148.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00224 · 12.3th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2026-05-04T05:41Z
EPSS history
Timeline
  • 04 MAY 05:41Z
    In Modem, there is a possible system crash due to a heap buffer overflow
    cvelistv5