CVE-2021-20590: Improper authentication vulnerability in GOT2000 series GT27 model VNC server versions 01.39.010 and prior, GOT2000 series GT25 model VNC server versions 01.39.010 and prior, GOT2000 series GT21 mo...

Summary

Improper authentication vulnerability in GOT2000 series GT27 model VNC server versions 01.39.010 and prior, GOT2000 series GT25 model VNC server versions 01.39.010 and prior, GOT2000 series GT21 model GT2107-WTBD VNC server versions 01.40.000 and prior, GOT2000 series GT21 model GT2107-WTSD VNC serv...

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software

Vendor	Product	Affected versions
mitsubishielectric	got2000_gt27_firmware	<= 01.39.010 `cpe:2.3:o:mitsubishielectric:got2000_gt27_firmware::::::::`
mitsubishielectric	got2000_gt25_firmware	<= 01.39.010 `cpe:2.3:o:mitsubishielectric:got2000_gt25_firmware::::::::`
mitsubishielectric	gt2107-wtbd_firmware	<= 01.40.000 `cpe:2.3:o:mitsubishielectric:gt2107-wtbd_firmware::::::::`
mitsubishielectric	gt2107-wtsd_firmware	<= 01.40.000 `cpe:2.3:o:mitsubishielectric:gt2107-wtsd_firmware::::::::`
mitsubishielectric	gs2110-wtbd-n_firmware	<= 01.40.000 `cpe:2.3:o:mitsubishielectric:gs2110-wtbd-n_firmware::::::::`
mitsubishielectric	gs2107-wtbd-n_firmware	<= 01.40.000 `cpe:2.3:o:mitsubishielectric:gs2107-wtbd-n_firmware::::::::`

Original advisory text

Improper authentication vulnerability in GOT2000 series GT27 model VNC server versions 01.39.010 and prior, GOT2000 series GT25 model VNC server versions 01.39.010 and prior, GOT2000 series GT21 mo...

Improper authentication vulnerability in GOT2000 series GT27 model VNC server versions 01.39.010 and prior, GOT2000 series GT25 model VNC server versions 01.39.010 and prior, GOT2000 series GT21 model GT2107-WTBD VNC server versions 01.40.000 and prior, GOT2000 series GT21 model GT2107-WTSD VNC server versions 01.40.000 and prior, GOT SIMPLE series GS21 model GS2110-WTBD-N VNC server versions 01.40.000 and prior and GOT SIMPLE series GS21 model GS2107-WTBD-N VNC server versions 01.40.000 and prior allows a remote unauthenticated attacker to gain unauthorized access via specially crafted packets when the "VNC server" function is used.

References