CVE-2021-27420

EUVD-2021-14174
GE UR firmware versions prior to version 8.1x web server task does not properly handle receipt of unsupported HTTP verbs, resulting in the web server becoming temporarily unresponsive after receiving a series of unsupported HTTP requests. When unresponsive, the web server is inaccessible. By itself, this is not particularly significant as the relay remains effective in all other functionality and communication channels.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
icscertCNA
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 52%
Affected Products (NVD)
VendorProductVersion
gemultilin_b30_firmware
𝑥
< 8.10
gemultilin_b90_firmware
𝑥
< 8.10
gemultilin_c60_firmware
𝑥
< 8.10
gemultilin_c70_firmware
𝑥
< 8.10
gemultilin_c95_firmware
𝑥
< 8.10
gemultilin_d30_firmware
𝑥
< 8.10
gemultilin_d60_firmware
𝑥
< 8.10
gemultilin_f35_firmware
𝑥
< 8.10
gemultilin_f60_firmware
𝑥
< 8.10
gemultilin_g30_firmware
𝑥
< 8.10
gemultilin_g60_firmware
𝑥
< 8.10
gemultilin_l30_firmware
𝑥
< 8.10
gemultilin_l60_firmware
𝑥
< 8.10
gemultilin_l90_firmware
𝑥
< 8.10
gemultilin_m60_firmware
𝑥
< 8.10
gemultilin_n60_firmware
𝑥
< 8.10
gemultilin_t35_firmware
𝑥
< 8.10
gemultilin_t60_firmware
𝑥
< 8.10
gemultilin_c30_firmware
𝑥
< 8.10
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.cisa.gov/uscert/ics/advisories/icsa-21-075-02
https://www.gegridsolutions.com/Passport/Login.aspx
https://www.cisa.gov/uscert/ics/advisories/icsa-21-075-02
https://www.gegridsolutions.com/Passport/Login.aspx