SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-18858

CODESYS 3 web server before 3.5.15.20, as distributed with CODESYS Control runtime systems, has a Buffer Overflow.

CRITICAL 9.8EPSS 1.94%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.94%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

CODESYS 3 web server before 3.5.15.20, as distributed with CODESYS Control runtime systems, has a Buffer Overflow.

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
1.94% probability · 79th percentile
CISA KEV
Not listed
Weakness
CWE-120
Affected
codesys/control for beaglebone · codesys/control for empc-a\/imx6 · codesys/control for iot2000 · codesys/control for linux · codesys/control for pfc100 · codesys/control for pfc200 · codesys/control for plcnext · codesys/control for raspberry pi · codesys/control rte · codesys/control runtime system toolkit · codesys/control win · codesys/embedded target visu toolkit · codesys/hmi · codesys/remote target visu toolkit
Source
cve@mitre.org

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