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Vulnerability details: VCID-c9wv-83hp-2qcv
Vulnerability ID VCID-c9wv-83hp-2qcv
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 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.00365 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.00365 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.00365 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.00365 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.00365 https://api.first.org/data/v1/epss?cve=CVE-2025-53020
epss 0.00546 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
https://httpd.apache.org/security/vulnerabilities_24.html
2379343 https://bugzilla.redhat.com/show_bug.cgi?id=2379343
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
CVE-2025-53020 https://httpd.apache.org/security/json/CVE-2025-53020.json
CVE-2025-53020 https://nvd.nist.gov/vuln/detail/CVE-2025-53020
USN-7639-1 https://usn.ubuntu.com/7639-1/
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 0.5501
EPSS Score 0.00327
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:29:10.150761+00:00 Apache HTTPD Importer Import https://httpd.apache.org/security/json/CVE-2025-53020.json 37.0.0