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Vulnerability details: VCID-9qay-yajk-nkhe
Vulnerability ID VCID-9qay-yajk-nkhe
Aliases CVE-2019-12098
Summary In the client side of Heimdal before 7.6.0, failure to verify anonymous PKINIT PA-PKINIT-KX key exchange permits a man-in-the-middle attack. This issue is in krb5_init_creds_step in lib/krb5/init_creds_pw.c.
Status Published
Exploitability 0.5
Weighted Severity 6.7
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2019-12098
epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2019-12098
epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2019-12098
epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2019-12098
epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2019-12098
epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2019-12098
epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2019-12098
epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2019-12098
epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2019-12098
epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2019-12098
epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2019-12098
epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2019-12098
epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2019-12098
epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2019-12098
epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2019-12098
epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2019-12098
epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2019-12098
epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2019-12098
epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2019-12098
cvssv2 5.8 https://nvd.nist.gov/vuln/detail/CVE-2019-12098
cvssv3.1 7.4 https://nvd.nist.gov/vuln/detail/CVE-2019-12098
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.html
https://api.first.org/data/v1/epss?cve=CVE-2019-12098
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16860
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12098
https://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cf
https://github.com/heimdal/heimdal/compare/3e58559...bbafe72
https://github.com/heimdal/heimdal/releases/tag/heimdal-7.6.0
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIXEDVVMPD6ZAJSMI2EZ7FNEIVNWE5PD/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLXXIF4LOQEAEDAF4UGP2AO6WDNTDFUB/
https://seclists.org/bugtraq/2019/Jun/1
https://www.debian.org/security/2019/dsa-4455
http://www.h5l.org/pipermail/heimdal-announce/2019-May/000009.html
929064 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=929064
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:opensuse:backports_sle:15.0:-:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:*
cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
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:15.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*
CVE-2019-12098 https://nvd.nist.gov/vuln/detail/CVE-2019-12098
USN-5675-1 https://usn.ubuntu.com/5675-1/
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2019-12098
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:H/PR:N/UI:N/S:U/C:H/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2019-12098
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 0.8755
EPSS Score 0.03731
Published At Sept. 16, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:43:23.193466+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/5675-1/ 37.0.0