SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2025-30052

The rsyncd service of the CGM CLININET is vulnerable to Authentication Bypass via IP spoofing.

HIGH 8.8EPSS 0.34%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

The rsyncd service of the CGM CLININET is vulnerable to Authentication Bypass via IP spoofing. Access is granted based solely on the client's source IP address. An attacker able to spoof an allowed IP address, can bypass this check and gain the ability to edit files on the affected system.  The vulnerability was confirmed to affect versions up to 2026.MS3 but later versions may also be vulnerable.

CVSS 4.0
8.8 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.34% probability · 28th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-290
Source
cvd@cert.pl
EPSS trend
0%3%5%23 October 2026: 0.34%27 October 2026: 0.34%23 October 202627 October 2026

EPSS moved from 0.3% on 23 October 2026 to 0.3% on 27 October 2026.

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