CVE & CISA-KEV Catalog

CVE-2023-23912

HIGH
8.8
CVSS v3
NVD

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.

CWE-75CWE-94Code Injection

How to fix

Remediation Available
er-10x firmwareNVD
Affected:< 2.0.9Fixed in:2.0.9CVE-2023-23912derived from NVD
er-12 firmwareNVD
Affected:< 2.0.9Fixed in:2.0.9CVE-2023-23912derived from NVD
er-12p firmwareNVD
Affected:< 2.0.9Fixed in:2.0.9CVE-2023-23912derived from NVD
er-4 firmwareNVD
Affected:< 2.0.9Fixed in:2.0.9CVE-2023-23912derived from NVD
er-6p firmwareNVD
Affected:< 2.0.9Fixed in:2.0.9CVE-2023-23912derived from NVD
er-8-xg firmwareNVD
Affected:< 2.0.9Fixed in:2.0.9CVE-2023-23912derived from NVD
er-x-sfp firmwareNVD
Affected:< 2.0.9Fixed in:2.0.9CVE-2023-23912derived from NVD
er-x firmwareNVD
Affected:< 2.0.9Fixed in:2.0.9CVE-2023-23912derived from NVD
usg-pro-4 firmwareNVD
Affected:< 4.4.57Fixed in:4.4.57CVE-2023-23912derived from NVD
usg firmwareNVD
Affected:< 4.4.57Fixed in:4.4.57CVE-2023-23912derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.89%probability of exploitation in 30 days
55thpercentile

Moderate risk: more likely to be exploited than 55% of all known CVEs.

References

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CVE-2023-23912 severity badge

Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-03-24.