CVE-2026-33971

CRITICAL
INFO Priority: 0.02 BB Relevance: 80/100
Published: 2026-11-05 Modified: 2026-11-10 First seen: 2026-11-05 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

In the LTE RRC component, improper handling of messages before authentication triggers a data abort, which leads to a denial‑of‑service condition.

Weakness Classification (1)

Affected Software (30)

VendorProductVersion
Samsung Semiconductor Exynos 1280 0 < October 2026
Samsung Semiconductor Exynos 1280 0 < October 2026
Samsung Semiconductor Exynos 1330 0 < October 2026
Samsung Semiconductor Exynos 1330 0 < October 2026
Samsung Semiconductor Exynos 1380 0 < October 2026
Samsung Semiconductor Exynos 1380 0 < October 2026
Samsung Semiconductor Exynos 1480 0 < October 2026
Samsung Semiconductor Exynos 1480 0 < October 2026
Samsung Semiconductor Exynos 1580 0 < October 2026
Samsung Semiconductor Exynos 1580 0 < October 2026
Samsung Semiconductor Exynos 1680 0 < October 2026
Samsung Semiconductor Exynos 1680 0 < October 2026
Samsung Semiconductor Exynos 2100 0 < October 2026
Samsung Semiconductor Exynos 2100 0 < October 2026
Samsung Semiconductor Exynos 2200 0 < October 2026
Samsung Semiconductor Exynos 2200 0 < October 2026
Samsung Semiconductor Exynos 2400 0 < October 2026
Samsung Semiconductor Exynos 2400 0 < October 2026
Samsung Semiconductor Exynos 2500 0 < October 2026
Samsung Semiconductor Exynos 2500 0 < October 2026
Samsung Semiconductor Exynos 850 0 < October 2026
Samsung Semiconductor Exynos 850 0 < October 2026
Samsung Semiconductor Exynos Modem 5410 0 < October 2026
Samsung Semiconductor Exynos Modem 5410 0 < October 2026
Samsung Semiconductor Exynos W1000 0 < October 2026
Samsung Semiconductor Exynos W1000 0 < October 2026
Samsung Semiconductor Exynos W920 0 < October 2026
Samsung Semiconductor Exynos W920 0 < October 2026
Samsung Semiconductor Exynos W930 0 < October 2026
Samsung Semiconductor Exynos W930 0 < October 2026

Bug Bounty Relevance

80 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.18%
Raw Score 0.001800
Percentile 7.6%
Date 2026-11-10

EPSS Trend

2026-11-10
0.00180
2026-11-09
0.00180
2026-11-08
0.00180
2026-11-07
0.00180
2026-11-06
0.00180
2026-11-05
0.00180

Intelligence Sources

mitre ref →
nvd ref →