SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-22519

A remote, unauthenticated attacker can send a specific crafted HTTP or HTTPS requests causing a buffer over-read resulting in a crash of the webserver of the CODESYS Control runtime system.

HIGH 7.5EPSS 1.46%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.46%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A remote, unauthenticated attacker can send a specific crafted HTTP or HTTPS requests causing a buffer over-read resulting in a crash of the webserver of the CODESYS Control runtime system.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.46% probability · 72th percentile
CISA KEV
Not listed
Weakness
CWE-126, CWE-125
Affected
codesys/control for beaglebone sl · codesys/control for beckhoff cx9020 · codesys/control for empc-a\/imx6 sl · codesys/control for iot2000 sl · codesys/control for linux sl · codesys/control for pfc100 sl · codesys/control for pfc200 sl · codesys/control for plcnext sl · codesys/control for raspberry pi sl · codesys/control for wago touch panels 600 sl · codesys/control rte sl · codesys/control rte sl \(for beckhoff cx\) · codesys/control runtime system toolkit · codesys/control win sl · codesys/development system · codesys/embedded target visu toolkit · codesys/hmi sl · codesys/remote target visu toolkit
Source
info@cert.vde.com

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