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CVE-2023-28767

HIGH
Published 2023-07-17T16:59:45.258Z
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CVSS Score

V3.1
8.8
/10
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.117
Higher than 11.7% of all CVEs

Attack Vector Metrics

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

The configuration parser fails to sanitize user-controlled input in the Zyxel ATP series firmware versions 5.10 through 5.36, USG FLEX series firmware versions 5.00 through 5.36,  USG FLEX 50(W) series firmware versions 5.10 through 5.36,

USG20(W)-VPN series firmware versions 5.10 through 5.36, and VPN series firmware versions 5.00 through 5.36. An unauthenticated, LAN-based attacker could leverage the vulnerability to inject some operating system (OS) commands into the device configuration data on an affected device when the cloud management mode is enabled.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Zyxel

ATP series firmware

Affected Versions:

5.10 through 5.36
Zyxel

USG FLEX series firmware

Affected Versions:

5.00 through 5.36
Zyxel

USG FLEX 50(W) series firmware

Affected Versions:

5.10 through 5.36
Zyxel

USG20(W)-VPN series firmware

Affected Versions:

5.10 through 5.36
Zyxel

VPN series firmware

Affected Versions:

5.00 through 5.36
zyxel

atp_series_firmware

Affected Versions:

5.10
zyxel

usg_flex_series_firmware

Affected Versions:

5.0.0
zyxel

usg_flex_50\/w\/_series_firmware

Affected Versions:

5.10
zyxel

usg_flex_series_firmware

Affected Versions:

5.0.0
zyxel

atp_series_firmware

Affected Versions:

5.10

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-6hq2-q59r-h45h

Advisory Details

The configuration parser fails to sanitize user-controlled input in the Zyxel ATP series firmware versions 5.10 through 5.36, USG FLEX series firmware versions 5.00 through 5.36,  USG FLEX 50(W) series firmware versions 5.10 through 5.36, USG20(W)-VPN series firmware versions 5.10 through 5.36, and VPN series firmware versions 5.00 through 5.36. An unauthenticated, LAN-based attacker could leverage the vulnerability to inject some operating system (OS) commands into the device configuration data on an affected device when the cloud management mode is enabled.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-28767
WEB https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers

Advisory provided by GitHub Security Advisory Database. Published: July 17, 2023, Modified: April 4, 2024

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers
Published: 2023-07-17T16:59:45.258Z
Last Modified: 2024-11-07T19:14:46.971Z
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