VulnerabilityModified

CVE-2022-0823

An improper control of interaction frequency vulnerability in Zyxel GS1200 series switches could allow a local attacker to guess the password by using a timing side-channel attack.

MEDIUM 6.2EPSS 0.22%

Does this matter?

Lower severity and a low EPSS score (0.22%). Track it; it rarely justifies an emergency change on its own.

Description

An improper control of interaction frequency vulnerability in Zyxel GS1200 series switches could allow a local attacker to guess the password by using a timing side-channel attack.

CVSS 3.1: 6.2 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.22% probability · 13th percentile
CISA KEV: Not listed
Weakness: CWE-203
Affected: zyxel/gs1200-5 firmware · zyxel/gs1200-5hp firmware · zyxel/gs1200-8 firmware · zyxel/gs1200-8hp firmware
Source: security@zyxel.com.tw

References

https://www.zyxel.com/support/Zyxel-security-advisory-for-password-guessing-vulnerability-of-GS1200-series-switches.shtmlPatch, Vendor Advisory
https://www.zyxel.com/support/Zyxel-security-advisory-for-password-guessing-vulnerability-of-GS1200-series-switches.shtmlPatch, Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.