CVE-2023-45230
8.8
HIGH
CVSS 3.1
EPSS 0.33%
Description
EDK2's Network Package is susceptible to a buffer overflow vulnerability via a long server ID option in DHCPv6 client. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.
How to fix CVE-2023-45230
To remediate CVE-2023-45230, upgrade the affected package to a fixed version below.
- Debian/edk2—upgrade to 2020.11-2+deb11u3 or later
Is CVE-2023-45230 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2020.11-2+deb11u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |