CVE-2021-27424 GE UR family exposure of sensitive information to an unauthorized actor
An attacker can read sensitive information from the Last-key pressed MODBUS register in GE UR family devices, exposing operational data.
- 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-2021-27424?
CVE-2021-27424 is a medium-severity vulnerability in GE UR family, published on 23 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
GE UR firmware versions prior to version 8.1x shares MODBUS memory map as part of the communications guide. GE was made aware a “Last-key pressed” MODBUS register can be used to gain unauthorized information.
Which versions are affected by CVE-2021-27424?
It affects 19 products.
Products include Ge Multilin B30 Firmware, Ge Multilin B90 Firmware, Ge Multilin C30 Firmware, Ge Multilin C60 Firmware, Ge Multilin C70 Firmware, Ge Multilin C95 Firmware and 13 more.
How do I fix CVE-2021-27424?
No fix has been published for CVE-2021-27424 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-27424 being exploited?
There is no known exploitation of CVE-2021-27424 in the wild and no public exploit code.
Other vulnerabilities in GE UR family
- CVE-2021-27426 GE UR family insecure default variable initialization
- CVE-2021-27428 GE UR family Unrestricted Upload of File with Dangerous Type
- CVE-2021-27422 GE UR family exposure of sensitive information to an unauthorized actor
- CVE-2021-27418 GE UR family input validation
- CVE-2021-27420 GE UR family input validation
Sources
Also known as GHSA-hvjm-qmp9-pw7f.