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Vulnerability details: VCID-gwvw-j77f-hfdr
Vulnerability ID VCID-gwvw-j77f-hfdr
Aliases CVE-2006-20001
Summary A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash. This issue affects Apache HTTP Server 2.4.54 and earlier.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-787 Out-of-bounds Write
CWE-125 Out-of-bounds Read
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2006-20001.json
epss 0.00448 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00448 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00448 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00677 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00696 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00696 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00696 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00696 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00696 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
epss 0.00696 https://api.first.org/data/v1/epss?cve=CVE-2006-20001
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
ssvc Track https://httpd.apache.org/security/vulnerabilities_24.html
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2006-20001
archlinux Unknown https://security.archlinux.org/AVG-2824
ssvc Track https://security.gentoo.org/glsa/202309-01
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2006-20001.json
https://api.first.org/data/v1/epss?cve=CVE-2006-20001
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-20001
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-36760
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-37436
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-25690
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-27522
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://httpd.apache.org/security/vulnerabilities_24.html
https://security.gentoo.org/glsa/202309-01
https://security.netapp.com/advisory/ntap-20230316-0005/
2161774 https://bugzilla.redhat.com/show_bug.cgi?id=2161774
AVG-2824 https://security.archlinux.org/AVG-2824
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-2006-20001 https://httpd.apache.org/security/json/CVE-2006-20001.json
CVE-2006-20001 https://nvd.nist.gov/vuln/detail/CVE-2006-20001
RHSA-2023:0852 https://access.redhat.com/errata/RHSA-2023:0852
RHSA-2023:0970 https://access.redhat.com/errata/RHSA-2023:0970
RHSA-2023:3354 https://access.redhat.com/errata/RHSA-2023:3354
RHSA-2023:3355 https://access.redhat.com/errata/RHSA-2023:3355
USN-5834-1 https://usn.ubuntu.com/5834-1/
USN-5839-1 https://usn.ubuntu.com/5839-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2006-20001.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:L/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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-08-01T15:32:06Z/ Found at https://httpd.apache.org/security/vulnerabilities_24.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2006-20001
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:N/T:P/P:M/B:A/M:M/D:T/2024-08-01T15:32:06Z/ Found at https://security.gentoo.org/glsa/202309-01
Exploit Prediction Scoring System (EPSS)
Percentile 0.62812
EPSS Score 0.00448
Published At Aug. 1, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:28:45.505584+00:00 Apache HTTPD Importer Import https://httpd.apache.org/security/json/CVE-2006-20001.json 37.0.0