CVE-2024-38270
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Zyxel Gs1900-10hp Firmware
PublishedSep 10, 2024
First seenSep 10, 2024
Weakness typeCWE-331CWE-331
How to fix
Update
- zyxel gs1900-10hp_firmware2.80\(aazi.1\)c0 or later
- zyxel gs1900-48hpv2_firmware2.80\(abtq.1\)c0 or later
- zyxel gs1900-48_firmware2.80\(aahn.1\)c0 or later
- zyxel gs1900-24hpv2_firmware2.80\(abtp.1\)c0 or later
- zyxel gs1900-24ep_firmware2.80\(abto.1\)c0 or later
- zyxel gs1900-16_firmware2.80\(aahj.1\)c0 or later
- zyxel gs1900-8hp_firmware2.80\(aahi.1\)c0 or later
- zyxel gs1900-8_firmware2.80\(aahh.1\)c0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zyxel gs1900-10hp_firmware | v < 2.80\(aazi.1\)c0 | 2.80\(aazi.1\)c0 |
| zyxel gs1900-48hpv2_firmware | v < 2.80\(abtq.1\)c0 | 2.80\(abtq.1\)c0 |
| zyxel gs1900-48_firmware | v < 2.80\(aahn.1\)c0 | 2.80\(aahn.1\)c0 |
| zyxel gs1900-24hpv2_firmware | v < 2.80\(abtp.1\)c0 | 2.80\(abtp.1\)c0 |
| zyxel gs1900-24ep_firmware | v < 2.80\(abto.1\)c0 | 2.80\(abto.1\)c0 |
| zyxel gs1900-24e_firmware | v ≤ 2.80\(aahk.1\)c0 | — |
| zyxel gs1900-24_firmware | v ≤ 2.80\(aahl.1\)c0 | — |
| zyxel gs1900-16_firmware | v < 2.80\(aahj.1\)c0 | 2.80\(aahj.1\)c0 |
| zyxel gs1900-8hp_firmware | v < 2.80\(aahi.1\)c0 | 2.80\(aahi.1\)c0 |
| zyxel gs1900-8_firmware | v < 2.80\(aahh.1\)c0 | 2.80\(aahh.1\)c0 |
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