CVE-2019-5184

An exploitable double free vulnerability exists in the iocheckd service "I/O-Check" functionality of WAGO PFC 200. A specially crafted XML cache file written to a specific location on the device can cause a heap pointer to be freed twice, resulting in a denial of service and potentially code execution. An attacker can send a specially crafted packet to trigger the parsing of this cache file.

CVSS v3.1

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

4.6 MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P

EPSS

0.85% chance of exploitation in the next 30 days, 56th percentile

Published

2020-03-23

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://talosintelligence.com/vulnerability_reports/TALOS-2019-0965

References

• CVE Record
• NVD entry

Related

• CVE-2019-5182
• CVE-2019-5185
• CVE-2019-5181
• CVE-2019-5186
• CVE-2019-5180
• CVE-2019-5187