CVE-2021-27428
The weakness is assessed, and mitigation is implemented in firmware Version 8.10.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
GE UR IED firmware versions prior to version 8.1x supports upgrading firmware using UR Setup configuration tool – Enervista UR Setup. This UR Setup tool validates the authenticity and integrity of firmware file before uploading the UR IED. An illegitimate user could upgrade firmware without appropriate privileges. The weakness is assessed, and mitigation is implemented in firmware Version 8.10.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.21% probability · 67th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- ge/multilin b30 firmware · ge/multilin b90 firmware · ge/multilin c60 firmware · ge/multilin c70 firmware · ge/multilin c95 firmware · ge/multilin d30 firmware · ge/multilin d60 firmware · ge/multilin f35 firmware · ge/multilin f60 firmware · ge/multilin g30 firmware · ge/multilin g60 firmware · ge/multilin l30 firmware · ge/multilin l60 firmware · ge/multilin l90 firmware · ge/multilin m60 firmware · ge/multilin n60 firmware · ge/multilin t35 firmware · ge/multilin t60 firmware · ge/multilin c30 firmware
- Source
- ics-cert@hq.dhs.gov
References
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-075-02Mitigation, Third Party Advisory, US Government Resource
- https://www.gegridsolutions.com/Passport/Login.aspxPermissions Required, Vendor Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-075-02Mitigation, Third Party Advisory, US Government Resource
- https://www.gegridsolutions.com/Passport/Login.aspxPermissions Required, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.