CVE-2020-14402

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

1.89% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 77.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Low. 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

2020-06-17 15:12Z6 YR AGO

Last updated

2024-08-04 12:46Z2 YR AGO

Reserved

2020-06-17

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase
• CWE-125Out-of-bounds ReadBase

Data version

5.1

Document digest

ec1421cca2cc85dae357f9d206e99590f35ea39dd8645d749c3233d509426075

• github.comhttps://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13x_refsource_MISC
• github.comhttps://github.com/LibVNC/libvncserver/commit/74e8a70f2c9a5248d6718ce443e07c7ed314dfffx_refsource_MISC
• lists.debian.org[debian-lts-announce] 20200630 [SECURITY] [DLA 2264-1] libvncserver security updatehttps://lists.debian.org/debian-lts-announce/2020/06/msg00035.htmlmailing-listx_refsource_MLIST
• lists.opensuse.orgopenSUSE-SU-2020:0988http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2020:1025http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2020:1056http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.htmlvendor-advisoryx_refsource_SUSE
• usn.ubuntu.comUSN-4434-1https://usn.ubuntu.com/4434-1/vendor-advisoryx_refsource_UBUNTU
• lists.debian.org[debian-lts-announce] 20200828 [SECURITY] [DLA 2347-1] libvncserver security updatehttps://lists.debian.org/debian-lts-announce/2020/08/msg00045.htmlmailing-listx_refsource_MLIST
• usn.ubuntu.comUSN-4573-1https://usn.ubuntu.com/4573-1/vendor-advisoryx_refsource_UBUNTU
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdfx_refsource_CONFIRM