An issue was discovered in Samsung eMMC with KLMAG2GE4A and KLM8G1WEMB firmware.

published 2024-10-15 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-29813

cvss: 4.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 15%
public exploits: 0; none known

An issue was discovered in Samsung eMMC with KLMAG2GE4A and KLM8G1WEMB firmware. Code bypass through Electromagnetic Fault Injection allows an attacker to successfully authenticate and write to the RPMB (Replay Protected Memory Block) area without possessing secret information.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-10-16)

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.9	CVSS:3.1/AC:H/AV:P/A:N/C:N/I:H/PR:N/S:C/UI:N
CNA	3.1	4.9	CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N

Classification

Weakness

CWE-295 Improper Certificate Validation

References

semiconductor.samsung.com /support/quality-support/product-security-updates/

Sources

CVE List CVE-2024-31955
NVD CVE-2024-31955

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary