CVE-2026-20548

HIGH
MEDIUM Priority: 0.02 BB Relevance: 50/100
Published: 2026-11-02 Modified: 2026-11-04 First seen: 2026-11-02 Status: active

Attack Surface

Adjacent No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Adjacent
AC: High
PR: None
UI: None
S: Unchanged
C: High
I: High
A: High

Description

In Modem, there is a possible out of bounds write due to an integer overflow. This could lead to remote escalation of privilege, 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: MOLY01872867 / MOLY01774038; Issue ID: MSV-9801.

Weakness Classification (1)

Bug Bounty Relevance

50 / 100
✓ No authentication
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.24%
Raw Score 0.002420
Percentile 15.5%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00242
2026-11-12
0.00242
2026-11-10
0.00242
2026-11-09
0.00242
2026-11-08
0.00242
2026-11-07
0.00242
2026-11-06
0.00242
2026-11-05
0.00242
2026-11-04
0.00242
2026-11-03
0.00242

Intelligence Sources

mitre ref →
nvd ref →