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CVE-2023-23912

HIGHCVSS 8.8/10EPSS 0.89%

Last modified

CVE-2023-23912 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability, found in EdgeRouters Version 2.0.9-hotfix.5 and earlier and UniFi Security Gateways (USG) Version 4.4.56 and earlier with their DHCPv6 prefix delegation set to dhcpv6-stateless or dhcpv6-stateful, allows a malicious actor directly connected to the WAN interface of an affected device to create a remote code execution vulnerability.. EPSS estimates a 0.89% chance of exploitation in the next 30 days.

Description

A vulnerability, found in EdgeRouters Version 2.0.9-hotfix.5 and earlier and UniFi Security Gateways (USG) Version 4.4.56 and earlier with their DHCPv6 prefix delegation set to dhcpv6-stateless or dhcpv6-stateful, allows a malicious actor directly connected to the WAN interface of an affected device to create a remote code execution vulnerability.

Metrics

CVSS 3.1
8.8/10

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

EPSS Probability
0.89%

54.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
UiUsg Firmware< 4.4.57
UiUsg-Pro-4 Firmware< 4.4.57
UiEr-10x Firmware< 2.0.9
UiEr-10x Firmware2.0.9
UiEr-12 Firmware< 2.0.9
UiEr-12 Firmware2.0.9
UiEr-12p Firmware< 2.0.9
UiEr-12p Firmware2.0.9
UiEr-4 Firmware< 2.0.9
UiEr-4 Firmware2.0.9
UiEr-6p Firmware< 2.0.9
UiEr-6p Firmware2.0.9
UiEr-8-Xg Firmware< 2.0.9
UiEr-8-Xg Firmware2.0.9
UiEr-X Firmware< 2.0.9
UiEr-X Firmware2.0.9
UiEr-X-Sfp Firmware< 2.0.9
UiEr-X-Sfp Firmware2.0.9

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-23912?
A vulnerability, found in EdgeRouters Version 2.0.9-hotfix.5 and earlier and UniFi Security Gateways (USG) Version 4.4.56 and earlier with their DHCPv6 prefix delegation set to dhcpv6-stateless or dhcpv6-stateful, allows a malicious actor directly connected to the WAN interface of an affected device to create a remote code execution vulnerability.
How severe is CVE-2023-23912?
CVE-2023-23912 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.89% probability of exploitation in the next 30 days.
How do I fix CVE-2023-23912?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-23912?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST