Medium severity · published Dec 18, 2019
CVE-2019-5073
An exploitable information exposure vulnerability exists in the iocheckd service "I/O-Check" functionality of WAGO PFC200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO…
5.3
CVSS
1.6%
EPSS
No
On KEV
Description
An exploitable information exposure vulnerability exists in the iocheckd service "I/O-Check" functionality of WAGO PFC200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets can cause an external tool to fail, resulting in uninitialized stack data to be copied to the response packet buffer. An attacker can send unauthenticated packets to trigger this vulnerability.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 76% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
P1
Pfc 100 Firmware · Wago
03.00.39(12) · source: NVD
P2
Pfc 200 Firmware · Wago
03.00.39(12); 03.01.07(13) · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-5073
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-5073
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0862
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