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CVE-2024-38270

Sept. 10, 2024, 12:09 p.m.

Awaiting Analysis
CVE has been recently published to the CVE List and has been received by the NVD.

Products

Zyxel GS1900-10HP firmware

  • V2.80(AAZI.0)C0

Source

security@zyxel.com.tw

Tags

security@zyxel.com.tw
CWE-331
2024-09-10
CVE-2024-38270

CVE-2024-38270 details

Published : Sept. 10, 2024, 2:15 a.m.
Last Modified : Sept. 10, 2024, 12:09 p.m.

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 Score

1 2 3 4 5.3 6 7 8 9 10

Weakness

Weakness Name Description
CWE-331 Insufficient Entropy The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others.

CVSS Data

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

Base Score

5.3

Exploitability Score

1.6

Impact Score

3.6

Base Severity

MEDIUM

Vector String : CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

References

URL Source
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 security@zyxel.com.tw
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