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Vulnerability details: VCID-rvkp-cggw-13e4
Vulnerability ID VCID-rvkp-cggw-13e4
Aliases CVE-2021-39240
Summary insufficient validation
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-20 Improper Input Validation
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-39240.json
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-39240
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-39240
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-39240
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-39240
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-39240
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-39240
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-39240
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-39240
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-39240
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-39240
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-39240
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-39240
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-39240
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-39240
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2021-39240
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2021-39240
archlinux Medium https://security.archlinux.org/AVG-2304
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-39240.json
https://api.first.org/data/v1/epss?cve=CVE-2021-39240
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39240
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39241
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39242
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=4b8852c70d8c4b7e225e24eb58258a15eb54c26e
https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=a495e0d94876c9d39763db319f609351907a31e8
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ALECUZDIMT5FYGP6V6PVSI4BKVZTZWN/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RPNY4WZIQUAUOCLIMUPC37AQWNXTWIQM/
https://www.debian.org/security/2021/dsa-4960
https://www.mail-archive.com/haproxy%40formilux.org/msg41041.html
1995104 https://bugzilla.redhat.com/show_bug.cgi?id=1995104
AVG-2304 https://security.archlinux.org/AVG-2304
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:o:debian:debian_linux:11.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
CVE-2021-39240 https://nvd.nist.gov/vuln/detail/CVE-2021-39240
RHSA-2021:4118 https://access.redhat.com/errata/RHSA-2021:4118
RHSA-2021:5208 https://access.redhat.com/errata/RHSA-2021:5208
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-39240.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:H/I:N/A:N 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:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-39240
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:N/UI:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-39240
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
Exploit Prediction Scoring System (EPSS)
Percentile 0.20713
EPSS Score 0.00066
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T11:54:21.136638+00:00 Arch Linux Importer Import https://security.archlinux.org/AVG-2304 36.1.3