CVE-2019-15691

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

4.71% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 91.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2019-12-26 14:52Z6 YR AGO

Last updated

2024-08-05 00:56Z2 YR AGO

Reserved

2019-08-27

Assigning CNA

Kaspersky

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-825Expired Pointer DereferenceBase
• CWE-672Operation on a Resource after Expiration or ReleaseClass

Data version

5.1

Document digest

6959f6320f6c87a2e51414f924750c64729bacd0b435d6a3032fbd22b7666c1e

• github.comhttps://github.com/CendioOssman/tigervnc/commit/d61a767d6842b530ffb532ddd5a3d233119aad40x_refsource_MISC
• github.comhttps://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1x_refsource_MISC
• www.openwall.com[oss-security] 20191220 VNC vulnerabilities. TigerVNC security updatehttps://www.openwall.com/lists/oss-security/2019/12/20/2mailing-listx_refsource_MLIST
• lists.opensuse.orgopenSUSE-SU-2020:0087http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.htmlvendor-advisoryx_refsource_SUSE