CVE-2020-22253 Auth bypass in n/a

Critical 9.8 Published Updated

Unauthenticated attackers can access Xiongmai DVR devices via an open Telnet port, enabling remote code execution and full device control.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-22253?

CVE-2020-22253 is a critical authentication bypass vulnerability in n/a, published on 6 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Xiongmai Technology Co devices AHB7008T-MH-V2, AHB7804R-ELS, AHB7804R-MH-V2, AHB7808R-MS-V2, AHB7808R-MS, AHB7808T-MS-V2, AHB7804R-LMS, and HI3518E_50H10L_S39 were all discovered to have port 9530 open which allows unauthenticated attackers to make arbitrary Telnet connections with the victim device.

Which versions are affected by CVE-2020-22253?

It affects 8 products.

Products include Xiongmaitech Ahb7008t-Mh-V2 Firmware, Xiongmaitech Ahb7804r-Els Firmware, Xiongmaitech Ahb7804r-Lms Firmware, Xiongmaitech Ahb7804r-Mh-V2 Firmware, Xiongmaitech Ahb7808r-Ms-V2 Firmware, Xiongmaitech Ahb7808r-Ms Firmware and 2 more.

How do I fix CVE-2020-22253?

No fix has been published for CVE-2020-22253 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2020-22253 being exploited?

There is no known exploitation of CVE-2020-22253 in the wild and no public exploit code.

Sources

Also known as GHSA-cxgc-jm76-g3rq.

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