CVE-2024-38270: zyxel gs1900-10hp_firmware Insufficient Entropy
Vulnerability summary
CVE-2024-38270 is a medium (CVSS 6.5) Insufficient Entropy vulnerability in zyxel gs1900-10hp_firmware. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.7% of scored vulnerabilities.
Timeline
- 10-09-2024PublishedVulnerability first disclosed.
- 10-09-2024Last modifiedVulnerability information updated.
Description
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 gain a valid session token if multiple authenticated sessions are alive.
CVSS metrics
2 scores · 2 sources · 1 version- CVE.orgCNA5.3MediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NDiffers
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
11%
Versus all other CVEs
30-day change
0.00 pp
From 0.21% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Zyxel11 products
- gs1900-10hp_firmware< 2.80\(aazi.1\)c0
- gs1900-10hp firmwareV2.80(AAZI.0)C0
- gs1900-16_firmware< 2.80\(aahj.1\)c0
- gs1900-24_firmware≤ 2.80\(aahl.1\)c0
- gs1900-24e_firmware≤ 2.80\(aahk.1\)c0
1 vendor · 11 products
References
1 links- www.zyxel.com/global/…Vendor Advisory