SARA / Free Tools / CVE / CVE-2019-5077

CVE-2019-5077 — An exploitable denial-of-service vulnerability exists in the iocheckd service ‘’

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 servi

CVSS
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EPSS
0.60% (top 30.90%)
CWE
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Published
2019-12-18T19:53:16.000Z
Last modified
2024-08-04T19:47:55.854Z
CVSS vector
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01What is this vulnerability?

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…

02Affected products

VendorProductVersions
na / WAGO PFC200Firmware version 03.01.07(13), Firmware version 03.00.39(12)
na / WAGO PFC100Firmware version 03.00.39(12)

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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