SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-14402

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/corre.c allows out-of-bounds access via encodings.

MEDIUM 5.4EPSS 1.89%

Does this matter?

Lower severity and a low EPSS score (1.89%). Track it; it rarely justifies an emergency change on its own.

Description

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/corre.c allows out-of-bounds access via encodings.

CVSS 3.1
5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
EPSS
1.89% probability · 79th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-787
Affected
libvnc project/libvncserver · canonical/ubuntu linux · debian/debian linux · siemens/simatic itc1500 firmware · siemens/simatic itc1500 pro firmware · siemens/simatic itc1900 firmware · siemens/simatic itc1900 pro firmware · siemens/simatic itc2200 firmware · siemens/simatic itc2200 pro firmware
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 1.89%26 October 202626 October 2026

EPSS 1.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.