Vulnerability · Published Aug 12, 2025 · Assigned by intel
CVE-2025-20053
High 7.2
In plain English
A high-severity memory corruption in Intel(R) Xeon(R) Processor firmware with SGX enabled. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.2%top 94.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper buffer restrictions for some Intel(R) Xeon(R) Processor firmware with SGX enabled may allow a privileged user to potentially enable escalation of privilege via local access.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | intel-ucode | 20250812-r0 | ALPINE-CVE-2025-20053 |
| Alpine:v3.21 | intel-ucode | 20250812-r0 | ALPINE-CVE-2025-20053 |
| Alpine:v3.22 | intel-ucode | 20250812-r0 | ALPINE-CVE-2025-20053 |
| Alpine:v3.23 | intel-ucode | 20250812-r0 | ALPINE-CVE-2025-20053 |
| Alpine:v3.24 | intel-ucode | 20250812-r0 | ALPINE-CVE-2025-20053 |
| Debian:12 | intel-microcode | 3.20250812.1~deb12u1 | DEBIAN-CVE-2025-20053 |
| Debian:12 | intel-microcode | 3.20250812.1~deb12u1 | DSA-6030-1 |
| Debian:13 | intel-microcode | 3.20250812.1~deb13u1 | DEBIAN-CVE-2025-20053 |
| Debian:13 | intel-microcode | 3.20250812.1~deb13u1 | DSA-6030-1 |
| Debian:14 | intel-microcode | 3.20250812.1 | DEBIAN-CVE-2025-20053 |
| Ubuntu:22.04:LTS | intel-microcode | 3.20250812.0ubuntu0.22.04.1 | USN-7866-1 |
| Ubuntu:22.04:LTS | intel-microcode | 3.20250812.0ubuntu0.22.04.1 | UBUNTU-CVE-2025-20053 |
| Ubuntu:24.04:LTS | intel-microcode | 3.20250812.0ubuntu0.24.04.1 | USN-7866-1 |
| Ubuntu:24.04:LTS | intel-microcode | 3.20250812.0ubuntu0.24.04.1 | UBUNTU-CVE-2025-20053 |
| Ubuntu:25.10 | intel-microcode | 3.20250812.0ubuntu0.25.10.1 | UBUNTU-CVE-2025-20053 |
| Ubuntu:25.10 | intel-microcode | 3.20250812.0ubuntu0.25.10.1 | USN-7866-1 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Intel(R) Xeon(R) Processor firmware with SGX enabled | See references |
Weakness: CWE-119 · Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N