What is CVE-2025-20053?

CVE-2025-20053 is a high-severity vulnerability in Intel(r) Xeon(r) Processor Firmware With Sgx Enabled, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.2/10. Published 2025-08-12.

How severe is CVE-2025-20053?

High severity. CVSS v3 base score is 7.2 out of 10.

Buffer overflow in Intel(r) Xeon(r) Processor Firmware With Sgx Enabled

CVE-2025-20053

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.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (4.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N.

Affected products

N/a Intel(r) Xeon(r) Processor Firmware With Sgx Enabled — versions See references

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Frequently asked questions

What is CVE-2025-20053?: CVE-2025-20053 is a high-severity vulnerability in Intel(r) Xeon(r) Processor Firmware With Sgx Enabled, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.2/10. Published 2025-08-12.
How severe is CVE-2025-20053?: High severity. CVSS v3 base score is 7.2 out of 10.