System	Score	Found at
cvssv3	8.8	https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-11100.json
epss	0.78142	https://api.first.org/data/v1/epss?cve=CVE-2020-11100
epss	0.78142	https://api.first.org/data/v1/epss?cve=CVE-2020-11100
epss	0.78142	https://api.first.org/data/v1/epss?cve=CVE-2020-11100
epss	0.78142	https://api.first.org/data/v1/epss?cve=CVE-2020-11100
cvssv3.1	8.8	https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2	6.5	https://nvd.nist.gov/vuln/detail/CVE-2020-11100
cvssv3.1	8.8	https://nvd.nist.gov/vuln/detail/CVE-2020-11100
archlinux	Critical	https://security.archlinux.org/AVG-1124

Reference id	Reference type	URL
		http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00002.html
		http://packetstormsecurity.com/files/157323/haproxy-hpack-tbl.c-Out-Of-Bounds-Write.html
		https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-11100.json
		https://api.first.org/data/v1/epss?cve=CVE-2020-11100
		https://bugzilla.suse.com/show_bug.cgi?id=1168023
		https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11100
		https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
		https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=5dfc5d5cd0d2128d77253ead3acf03a421ab5b88
		https://lists.debian.org/debian-security-announce/2020/msg00052.html
		https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/264C7UL3X7L7QE74ZJ557IOUFS3J4QQC/
		https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MNW5RZLIX7LOXRLV7WMHX22CI43XSXKW/
		https://security.gentoo.org/glsa/202012-22
		https://www.debian.org/security/2020/dsa-4649
		https://www.haproxy.org/download/2.1/src/CHANGELOG
		https://www.mail-archive.com/haproxy%40formilux.org/msg36876.html
		http://www.haproxy.org
1819111		https://bugzilla.redhat.com/show_bug.cgi?id=1819111
ASA-202004-7		https://security.archlinux.org/ASA-202004-7
AVG-1124		https://security.archlinux.org/AVG-1124
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*		https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
CVE-2020-11100		https://nvd.nist.gov/vuln/detail/CVE-2020-11100
RHSA-2020:1287		https://access.redhat.com/errata/RHSA-2020:1287
RHSA-2020:1288		https://access.redhat.com/errata/RHSA-2020:1288
RHSA-2020:1289		https://access.redhat.com/errata/RHSA-2020:1289
RHSA-2020:1290		https://access.redhat.com/errata/RHSA-2020:1290
RHSA-2020:1936		https://access.redhat.com/errata/RHSA-2020:1936
USN-4321-1		https://usn.ubuntu.com/4321-1/

No exploits are available.

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-11100.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:L/UI:N/S:U/C:H/I:H/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: AV:N/AC:L/Au:S/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-11100

Exploitability (E)	Access Vector (AV)	Access Complexity (AC)	Authentication (Au)	Confidentiality Impact (C)	Integrity Impact (I)	Availability Impact (A)
high functional unproven proof_of_concept not_defined	local adjacent_network network	high medium low	multiple single none	none partial complete	none partial complete	none partial complete

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-11100

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

Percentile	0.98953
EPSS Score	0.78142
Published At	July 15, 2025, 12:55 p.m.

Date	Actor	Action	Source	VulnerableCode Version
2025-07-01T11:52:52.894146+00:00	Arch Linux Importer	Import	https://security.archlinux.org/AVG-1124	36.1.3