CVE-2022-0823

MEDIUM

6.2

CVSS Score

Published: June 7, 2022 at 01:10 AM UTC

Updated: June 17, 2026 at 04:21 AM UTC

9 products affected across 1 vendorGs1200-8hp FirmwareGs1200-5hp FirmwareGs1200-8 Firmware

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Severity

MEDIUM6.2

Exploit prediction

EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Gs1200-5 Firmware · Zyxel

95%

v < 2.00(abkm.1)

Affected range stops below 2.00(abkm.1), so it looks safe — our inference, not a vendor statement

zyxel-gs1200-5 (same device)

Gs1200-5hp Firmware · Zyxel

95%

v < 2.00(abkn.1)

Affected range stops below 2.00(abkn.1), so it looks safe — our inference, not a vendor statement

zyxel-gs1200-5hp (same device)

Gs1200-8 Firmware · Zyxel

95%

v < 2.00(abme.1)

Affected range stops below 2.00(abme.1), so it looks safe — our inference, not a vendor statement

zyxel-gs1200-8 (same device)

Gs1200-8hp Firmware · Zyxel

95%

v < 2.00(abmf.1)

Affected range stops below 2.00(abmf.1), so it looks safe — our inference, not a vendor statement

zyxel-gs1200-8hp (same device)

GS1200 · Zyxel

60%

2.00 Patch 1

Gs1200-5 · Zyxeldevice

80%

All versions

Gs1200-5Hp · Zyxeldevice

80%

All versions

Gs1200-8 · Zyxeldevice

80%

All versions

Gs1200-8Hp · Zyxeldevice

80%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

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

References (1)

x_refsource_CONFIRMPatchVendor Advisory

Source: [email protected]

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

CVSS

6.2MEDIUMZyxel

Attack Vector: LOCAL
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-203NVD-CWE-Other

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