Login Request a demo
Medium severity · published Sep 10, 2024
CVE-2024-38270
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…
6.5
CVSS
0.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GF
GS1900-10HP firmware · Zyxel
V2.80(AAZI.0)C0 · source: vendor, NVD
GF
Gs1900-16 Firmware · Zyxel
before 2.80\(aahj.1\)c0 · source: NVD
GF
Gs1900-24 Firmware · Zyxel
through 2.80\(aahl.1\)c0 · source: NVD
GF
Gs1900-24e Firmware · Zyxel
through 2.80\(aahk.1\)c0 · source: NVD
GF
Gs1900-24ep Firmware · Zyxel
before 2.80\(abto.1\)c0 · source: NVD
GF
Gs1900-24hpv2 Firmware · Zyxel
before 2.80\(abtp.1\)c0 · source: NVD
GF
Gs1900-48 Firmware · Zyxel
before 2.80\(aahn.1\)c0 · source: NVD
GF
Gs1900-48hpv2 Firmware · Zyxel
before 2.80\(abtq.1\)c0 · source: NVD
GF
Gs1900-8 Firmware · Zyxel
before 2.80\(aahh.1\)c0 · source: NVD
GF
Gs1900-8hp Firmware · Zyxel
before 2.80\(aahi.1\)c0 · source: NVD
Affected product
GF
GS1900-10HP firmware
Zyxel
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-38270
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-38270
Vendor Advisory
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-insufficient-entropy-vulnerability-for-web-authentication-tokens-generation-in-gs1900-series-switches-09-10-2024
More from GS1900-10HP firmware
8.8
CVE-2026-7273
Zyxel GS1900 Series Switches Stack-Based Buffer Overflow Vulnerability
9.8
CVE-2019-15800
An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0
9.8
CVE-2016-1329
Cisco NX-OS 6.0(2)U6(1) through 6.0(2)U6(5) on Nexus 3000 devices and 6.0(2)A6(1) through 6.0(2)A6(5) and 6.0(2)A7(1) on Nexus 3500 devices has hardcoded credentials, which allows…
9.8
CVE-2015-5989
Belkin F9K1102 2 devices with firmware 2.10.17 rely on client-side JavaScript code for authorization, which allows remote attackers to obtain administrative privileges via certain…
9.8
CVE-2015-5988
The web management interface on Belkin F9K1102 2 devices with firmware 2.10.17 has a blank password, which allows remote attackers to obtain administrative privileges by…