CVE-2021-27418

Name: CVE-2021-27418
Creator: NVD / NIST
Published: 2022-03-23T20:15:08.247+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.58%

Last modified Jun 17, 2026

CVE-2021-27418 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. GE UR firmware versions prior to version 8.1x supports web interface with read-only access. The device fails to properly validate user input, making it possible to perform cross-site scripting attacks, which may be used to send a malicious script. EPSS estimates a 0.58% chance of exploitation in the next 30 days.

Description

GE UR firmware versions prior to version 8.1x supports web interface with read-only access. The device fails to properly validate user input, making it possible to perform cross-site scripting attacks, which may be used to send a malicious script. Also, UR Firmware web server does not perform HTML encoding of user-supplied strings.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.58%

43.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Ge	Multilin B30 Firmware	< 8.10
Ge	Multilin B90 Firmware	< 8.10
Ge	Multilin C60 Firmware	< 8.10
Ge	Multilin C70 Firmware	< 8.10
Ge	Multilin C95 Firmware	< 8.10
Ge	Multilin D30 Firmware	< 8.10
Ge	Multilin D60 Firmware	< 8.10
Ge	Multilin F35 Firmware	< 8.10
Ge	Multilin F60 Firmware	< 8.10
Ge	Multilin G30 Firmware	< 8.10
Ge	Multilin G60 Firmware	< 8.10
Ge	Multilin L30 Firmware	< 8.10
Ge	Multilin L60 Firmware	< 8.10
Ge	Multilin L90 Firmware	< 8.10
Ge	Multilin M60 Firmware	< 8.10
Ge	Multilin N60 Firmware	< 8.10
Ge	Multilin T35 Firmware	< 8.10
Ge	Multilin T60 Firmware	< 8.10
Ge	Multilin C30 Firmware	< 8.10

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

Timeline

Published: Mar 23, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-27418?

How severe is CVE-2021-27418?

CVE-2021-27418 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.

How do I fix CVE-2021-27418?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-27418?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST