SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-44159

4MOSAn GCB Doctor’s file upload function has improper user privilege control.

CRITICAL 9.8EPSS 3.41%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

4MOSAn GCB Doctor’s file upload function has improper user privilege control. A remote attacker can upload arbitrary files including webshell files without authentication and execute arbitrary code in order to perform arbitrary system operations or deny of service attack.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
3.41% probability · 88th percentile
CISA KEV
Not listed
Weakness
CWE-434
Affected
4mosan/gcb doctor
Source
twcert@cert.org.tw

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.