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Medium severity · published Mar 23, 2022
CVE-2021-27430
GE UR bootloader binary Version 7.00, 7.01 and 7.02 included unused hardcoded credentials
6.8
CVSS
0.2%
EPSS
No
On KEV
Description
GE UR bootloader binary Version 7.00, 7.01 and 7.02 included unused hardcoded credentials. Additionally, a user with physical access to the UR IED can interrupt the boot sequence by rebooting the UR.
CVSS vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Physical
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UB
UR Bootloader Binary · GE
7.00; 7.01; 7.02 · source: NVD
Affected product
UB
UR Bootloader Binary
GE
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-27430
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-27430
Mitigation
https://www.cisa.gov/uscert/ics/advisories/icsa-21-075-02
Permissions Required
https://www.gegridsolutions.com/Passport/Login.aspx