CVE-2025-53020

Name: CVE-2025-53020
Creator: NVD / NIST
Published: 2025-07-10T17:15:48.337+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 4.41%

Last modified Jun 17, 2026

CVE-2025-53020 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Late Release of Memory after Effective Lifetime vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: from 2.4.17 up to 2.4.63. Users are recommended to upgrade to version 2.4.64, which fixes the issue.. EPSS estimates a 4.41% chance of exploitation in the next 30 days.

Description

Late Release of Memory after Effective Lifetime vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: from 2.4.17 up to 2.4.63. Users are recommended to upgrade to version 2.4.64, which fixes the issue.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

4.41%

90.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-401

Affected Software

Vendor	Product	Versions
Apache	Http Server	>= 2.4.17, < 2.4.64

References

Timeline

Published: Jul 10, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-53020?

How severe is CVE-2025-53020?

CVE-2025-53020 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.41% probability of exploitation in the next 30 days.

How do I fix CVE-2025-53020?

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-2025-53020?

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

Scan your code now

Source: NVD / NIST