Cyber Resilience

CVE-2024-38270

Medium

Published: 10 September 2024

Published
10 September 2024
Modified
18 September 2024
KEV Added
—
Patch
—
CVSS Score v3.1 5.3 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0022 45.4th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-38270 is a medium-severity Insufficient Entropy (CWE-331) vulnerability in Zyxel Gs1900-48Hpv2 Firmware. Its CVSS base score is 5.3 (Medium).

Operationally, ranked at the 45.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An insufficient entropy vulnerability caused by the improper use of a randomness function with low entropy for web authentication tokens generation exists in the Zyxel GS1900-10HP firmware version V2.80(AAZI.0)C0. This vulnerability could allow a LAN-based attacker a slight chance to…

more

gain a valid session token if multiple authenticated sessions are alive.

CWE(s)
CWE-331

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

zyxel
gs1900-48hpv2 firmware
≤ 2.80\(abtq.1\)c0
zyxel
gs1900-48 firmware
≤ 2.80\(aahn.1\)c0
zyxel
gs1900-24hpv2 firmware
≤ 2.80\(abtp.1\)c0
zyxel
gs1900-24ep firmware
≤ 2.80\(abto.1\)c0
zyxel
gs1900-24e firmware
≤ 2.80\(aahk.1\)c0
zyxel
gs1900-24 firmware
≤ 2.80\(aahl.1\)c0
zyxel
gs1900-16 firmware
≤ 2.80\(aahj.1\)c0
zyxel
gs1900-10hp firmware
≤ 2.80\(aazi.1\)c0
zyxel
gs1900-8hp firmware
≤ 2.80\(aahi.1\)c0
zyxel
gs1900-8 firmware
≤ 2.80\(aahh.1\)c0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-12 Cryptographic Key Establishment and Management
addresses: CWE-331

Approved key-establishment methods mandate sufficient entropy during key generation, eliminating entropy-starved keys.

References