CVE & CISA-KEV Catalog

CVE-2021-27428

CRITICAL
9.8
CVSS v3
NVD

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.

CWE-434Unrestricted File Upload

How to fix

Remediation Available
multilin b30 firmwareNVD
Affected:< 8.10Fixed in:8.10CVE-2021-27428derived from NVD
multilin b90 firmwareNVD
Affected:< 8.10Fixed in:8.10CVE-2021-27428derived from NVD
multilin c30 firmwareNVD
Affected:< 8.10Fixed in:8.10CVE-2021-27428derived from NVD
multilin c60 firmwareNVD
Affected:< 8.10Fixed in:8.10CVE-2021-27428derived from NVD
multilin c70 firmwareNVD
Affected:< 8.10Fixed in:8.10CVE-2021-27428derived from NVD
multilin c95 firmwareNVD
Affected:< 8.10Fixed in:8.10CVE-2021-27428derived from NVD
multilin d30 firmwareNVD
Affected:< 8.10Fixed in:8.10CVE-2021-27428derived from NVD
multilin d60 firmwareNVD
Affected:< 8.10Fixed in:8.10CVE-2021-27428derived from NVD
multilin f35 firmwareNVD
Affected:< 8.10Fixed in:8.10CVE-2021-27428derived from NVD
multilin f60 firmwareNVD
Affected:< 8.10Fixed in:8.10CVE-2021-27428derived from NVD
multilin g30 firmwareNVD
Affected:< 8.10Fixed in:8.10CVE-2021-27428derived from NVD
multilin g60 firmwareNVD
Affected:< 8.10Fixed in:8.10CVE-2021-27428derived from NVD
multilin l30 firmwareNVD
Affected:< 8.10Fixed in:8.10CVE-2021-27428derived from NVD
multilin l60 firmwareNVD
Affected:< 8.10Fixed in:8.10CVE-2021-27428derived from NVD
multilin l90 firmwareNVD
Affected:< 8.10Fixed in:8.10CVE-2021-27428derived from NVD
multilin m60 firmwareNVD
Affected:< 8.10Fixed in:8.10CVE-2021-27428derived from NVD
multilin n60 firmwareNVD
Affected:< 8.10Fixed in:8.10CVE-2021-27428derived from NVD
multilin t35 firmwareNVD
Affected:< 8.10Fixed in:8.10CVE-2021-27428derived from NVD
multilin t60 firmwareNVD
Affected:< 8.10Fixed in:8.10CVE-2021-27428derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.16%probability of exploitation in 30 days
63rdpercentile

Moderate risk: more likely to be exploited than 63% of all known CVEs.

References

Vendor Advisory1
Mitigation1

Related Vulnerabilities

Other CWE-434 (Unrestricted File Upload) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2017-12617High8.1100%KEVFix
CVE-2018-15961Critical9.8100%KEV-
CVE-2021-31207Medium6.6100%KEV + RansomFix
CVE-2017-12615High8.1100%KEV + Ransom-
CVE-2025-31324Critical10.099%KEV + Ransom-
CVE-2024-50623Critical9.899%KEV + RansomFix
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CVE-2021-27428 severity badge

Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.