CVE-2019-9590 — HIGH (7.5) — White Hats Nepal

Vulnerability Description

An issue was discovered on TENGCONTROL T-920 PLC v5.5 devices. It allows remote attackers to cause a denial of service (persistent failure mode) by sending a series of \x19\xb2\x00\x00\x00\x06\x43\x01\x00\xac\xff\x00 (aka UID 0x43) requests to TCP port 502.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tengcon	T-920 Plc Firmware	5.5
Tengcon	T-920 Plc	-

References

https://github.com/Ni9htMar3/vulnerability/blob/master/PLC/%E8%85%BE%E6%8E%A7/T9ExploitThird Party Advisory
https://github.com/Ni9htMar3/vulnerability/blob/master/PLC/%E8%85%BE%E6%8E%A7/T9ExploitThird Party Advisory

FAQ

What is CVE-2019-9590?

CVE-2019-9590 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered on TENGCONTROL T-920 PLC v5.5 devices. It allows remote attackers to cause a denial of service (persistent failure mode) by sending a series of \x19\xb2\x00\x00\x00\x06\x43\x01...

How severe is CVE-2019-9590?

CVE-2019-9590 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-9590?

Check the references section above for vendor advisories and patch information. Affected products include: Tengcon T-920 Plc Firmware, Tengcon T-920 Plc.