CVE-2019-12098

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

1.97% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 80.3% of scored records. A rank, not a probability.

NVD base score

7.4 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-05-15 22:41Z7 YR AGO

Last updated

2026-04-15 20:49Z6 MO AGO

Reserved

2019-05-14

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 7.4)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Weaknesses

• CWE-295Improper Certificate ValidationBase

Data version

5.2

Document digest

1a56c63b6e72f5d5197d5b9ca69b91047eb552eb41f81a971d2702272db79461

• github.comhttps://github.com/heimdal/heimdal/releases/tag/heimdal-7.6.0x_refsource_MISC
• www.h5l.orghttp://www.h5l.org/pipermail/heimdal-announce/2019-May/000009.htmlx_refsource_CONFIRM
• github.comhttps://github.com/heimdal/heimdal/commit/2f7f3d9960aa6ea21358bdf3687cee5149aa35cfx_refsource_CONFIRM
• github.comhttps://github.com/heimdal/heimdal/compare/3e58559...bbafe72x_refsource_MISC
• seclists.org20190603 [SECURITY] [DSA 4455-1] heimdal security updatehttps://seclists.org/bugtraq/2019/Jun/1mailing-listx_refsource_BUGTRAQ
• www.debian.orgDSA-4455https://www.debian.org/security/2019/dsa-4455vendor-advisoryx_refsource_DEBIAN
• lists.opensuse.orgopenSUSE-SU-2019:1682http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00002.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2019:1688http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00003.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2019:1888http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00026.htmlvendor-advisoryx_refsource_SUSE
• lists.fedoraproject.orgFEDORA-2019-f3046b6bfbhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIXEDVVMPD6ZAJSMI2EZ7FNEIVNWE5PD/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2019-2fa7d6405bhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLXXIF4LOQEAEDAF4UGP2AO6WDNTDFUB/vendor-advisoryx_refsource_FEDORA