SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-43931

Out-of-bounds write vulnerability in Remote Desktop Functionality in Synology VPN Plus Server before 1.4.3-0534 and 1.4.4-0635 allows remote attackers to execute arbitrary commands via unspecified vectors.

CRITICAL 10.0EPSS 16.8%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 16.8%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

Out-of-bounds write vulnerability in Remote Desktop Functionality in Synology VPN Plus Server before 1.4.3-0534 and 1.4.4-0635 allows remote attackers to execute arbitrary commands via unspecified vectors.

CVSS 3.1
10.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS
16.84% probability · 97th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
synology/vpn plus server
Source
security@synology.com
EPSS trend
0%10%20%3 November 2026: 16.84%3 November 20263 November 2026

EPSS 16.8% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

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