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CVE-2021-34585 PUBLISHED CVSS 7.5 HIGH

In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests can trigger a parser error. Since the parser result is not checked under all conditions, a pointer dereference with an invalid address can occur. This leads to a denial of service situation.

EPSS 0.47% · 64.3th percentile

Risk Scores

CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.47%
64.3th percentile

Affected Products

VendorProductVersions
wago750-829_firmware0
wago750-8216_firmware0
wago750-890_firmware0
wago750-8217_firmware0
wago750-8204_firmware0
wago750-893_firmware0
wago750-852_firmware0
wago750-8208_firmware0
wago750-862_firmware0
wago750-831_firmware0
wago750-8203_firmware0
wago750-8213_firmware0
wago750-8202_firmware0
wago750-8206_firmware0
wago750-8212_firmware0
wago750-885_firmware0
CODESYSCODESYS V2all web servers
wago750-880_firmware0
wago750-881_firmware0
wago750-8214_firmware0

…and 9 more

Timeline

References

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