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Vulnerability details: VCID-umha-y7hp-aaag
Vulnerability ID VCID-umha-y7hp-aaag
Aliases CVE-2022-44640
Summary Heimdal before 7.7.1 allows remote attackers to execute arbitrary code because of an invalid free in the ASN.1 codec used by the Key Distribution Center (KDC).
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.01264 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01264 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01264 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01371 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01956 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01956 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01956 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.01956 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.02219 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.02219 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.02219 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.02219 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.02219 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.02219 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.02219 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.02219 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.02219 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.02219 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.02219 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.02219 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.02219 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.02219 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.02219 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
epss 0.13489 https://api.first.org/data/v1/epss?cve=CVE-2022-44640
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3671
cvssv3.1 9.8 https://github.com/heimdal/heimdal/security/advisories/GHSA-88pm-hfmq-7vv4
ssvc Track https://github.com/heimdal/heimdal/security/advisories/GHSA-88pm-hfmq-7vv4
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2022-44640
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2022-44640
cvssv3.1 9.8 https://security.gentoo.org/glsa/202310-06
ssvc Track https://security.gentoo.org/glsa/202310-06
cvssv3.1 9.8 https://security.netapp.com/advisory/ntap-20230216-0008/
ssvc Track https://security.netapp.com/advisory/ntap-20230216-0008/
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2022-44640
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3671
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44758
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-3437
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-41916
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42898
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-44640
https://github.com/heimdal/heimdal/security/advisories/GHSA-88pm-hfmq-7vv4
https://security.netapp.com/advisory/ntap-20230216-0008/
1024187 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1024187
cpe:2.3:a:heimdal_project:heimdal:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:heimdal_project:heimdal:*:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
CVE-2022-44640 https://nvd.nist.gov/vuln/detail/CVE-2022-44640
GLSA-202310-06 https://security.gentoo.org/glsa/202310-06
USN-5800-1 https://usn.ubuntu.com/5800-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/heimdal/heimdal/security/advisories/GHSA-88pm-hfmq-7vv4
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:T/P:M/B:A/M:M/D:T/2025-04-15T13:20:08Z/ Found at https://github.com/heimdal/heimdal/security/advisories/GHSA-88pm-hfmq-7vv4
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2022-44640
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:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2022-44640
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:H/A:H Found at https://security.gentoo.org/glsa/202310-06
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:T/P:M/B:A/M:M/D:T/2025-04-15T13:20:08Z/ Found at https://security.gentoo.org/glsa/202310-06
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://security.netapp.com/advisory/ntap-20230216-0008/
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:T/P:M/B:A/M:M/D:T/2025-04-15T13:20:08Z/ Found at https://security.netapp.com/advisory/ntap-20230216-0008/
Exploit Prediction Scoring System (EPSS)
Percentile 0.77669
EPSS Score 0.01264
Published At April 4, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.