Vulnerability Details : 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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2019-5184
- cpe:2.3:o:wago:pfc200_firmware:03.02.02\(14\):*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-5184
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 21 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-5184
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2019-5184
-
The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-5184
-
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0965
TALOS-2019-0965 || Cisco Talos Intelligence Group - Comprehensive Threat IntelligenceExploit;Mitigation;Third Party Advisory
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