Vulnerability Details : CVE-2019-5077
An exploitable denial-of-service vulnerability exists in the iocheckd service ‘’I/O-Chec’’ functionality of WAGO PFC 200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC 100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a denial of service, resulting in the device entering an error state where it ceases all network communications. An attacker can send unauthenticated packets to trigger this vulnerability.
Vulnerability category: Denial of service
Products affected by CVE-2019-5077
- cpe:2.3:o:wago:pfc_200_firmware:03.00.39\(12\):*:*:*:*:*:*:*
- cpe:2.3:o:wago:pfc_200_firmware:03.01.07\(13\):*:*:*:*:*:*:*
- cpe:2.3:o:wago:pfc_100_firmware:03.00.39\(12\):*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-5077
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 41 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-5077
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
8.5
|
HIGH | AV:N/AC:L/Au:N/C:N/I:P/A:C |
10.0
|
7.8
|
NIST | |
9.1
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |
3.9
|
5.2
|
NIST |
CWE ids for CVE-2019-5077
-
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-5077
-
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0869
TALOS-2019-0869 || Cisco Talos Intelligence Group - Comprehensive Threat IntelligenceThird Party Advisory
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