SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-27426

GE UR IED firmware versions prior to version 8.1x with “Basic” security variant does not allow the disabling of the “Factory Mode,” which is used for servicing the IED by a “Factory” user.

CRITICAL 9.8EPSS 1.21%

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 with “Basic” security variant does not allow the disabling of the “Factory Mode,” which is used for servicing the IED by a “Factory” user.

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-453
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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.