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Vulnerability details: VCID-ha7f-21gy-3qa2
Vulnerability ID VCID-ha7f-21gy-3qa2
Aliases CVE-2025-53020
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 5.2
Risk 2.6
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-401 Missing Release of Memory after Effective Lifetime
System Score Found at
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-53020.json
epss 0.00918 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.00918 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.01211 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.01211 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.01211 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.01211 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.01211 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.01211 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
cvssv3.1 5.9 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 7.5 https://httpd.apache.org/security/vulnerabilities_24.html
ssvc Track https://httpd.apache.org/security/vulnerabilities_24.html
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-53020.json
https://api.first.org/data/v1/epss?cve=CVE-2025-53020
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-53020
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2379343 https://bugzilla.redhat.com/show_bug.cgi?id=2379343
CVE-2025-53020 https://httpd.apache.org/security/json/CVE-2025-53020.json
USN-7639-1 https://usn.ubuntu.com/7639-1/
USN-7639-2 https://usn.ubuntu.com/7639-2/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-53020.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://httpd.apache.org/security/vulnerabilities_24.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-07-11T16:05:41Z/ Found at https://httpd.apache.org/security/vulnerabilities_24.html
Exploit Prediction Scoring System (EPSS)
Percentile 0.75875
EPSS Score 0.00918
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:36:23.772817+00:00 Apache HTTPD Importer Import https://httpd.apache.org/security/json/CVE-2025-53020.json 38.0.0