9.8
CRITICAL
CVE-2021-27428
"GE UR IED Firmware Privilege Escalation Vulnerability"
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.

INFO

Published Date :

March 23, 2022, 8:15 p.m.

Last Modified :

April 1, 2022, 3:28 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-27428 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Ge multilin_b30_firmware
2 Ge multilin_b90_firmware
3 Ge multilin_c60_firmware
4 Ge multilin_c70_firmware
5 Ge multilin_c95_firmware
6 Ge multilin_d30_firmware
7 Ge multilin_d60_firmware
8 Ge multilin_f35_firmware
9 Ge multilin_f60_firmware
10 Ge multilin_g30_firmware
11 Ge multilin_g60_firmware
12 Ge multilin_l30_firmware
13 Ge multilin_l60_firmware
14 Ge multilin_l90_firmware
15 Ge multilin_m60_firmware
16 Ge multilin_n60_firmware
17 Ge multilin_t35_firmware
18 Ge multilin_t60_firmware
19 Ge multilin_c30_firmware
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-27428.

URL Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-21-075-02 Mitigation Third Party Advisory US Government Resource
https://www.gegridsolutions.com/Passport/Login.aspx Permissions Required Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-27428 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-27428 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Apr. 01, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.cisa.gov/uscert/ics/advisories/icsa-21-075-02 No Types Assigned https://www.cisa.gov/uscert/ics/advisories/icsa-21-075-02 Mitigation, Third Party Advisory, US Government Resource
    Changed Reference Type https://www.gegridsolutions.com/Passport/Login.aspx No Types Assigned https://www.gegridsolutions.com/Passport/Login.aspx Permissions Required, Vendor Advisory
    Added CWE NIST CWE-434
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_b30_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.10 OR cpe:2.3:h:ge:multilin_b30:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_b90_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.10 OR cpe:2.3:h:ge:multilin_b90:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_c60_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.10 OR cpe:2.3:h:ge:multilin_c60:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_c70_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.10 OR cpe:2.3:h:ge:multilin_c70:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_c95_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.10 OR cpe:2.3:h:ge:multilin_c95:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_d30_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.10 OR cpe:2.3:h:ge:multilin_d30:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_d60_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.10 OR cpe:2.3:h:ge:multilin_d60:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_f35_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.10 OR cpe:2.3:h:ge:multilin_f35:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_f60_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.10 OR cpe:2.3:h:ge:multilin_f60:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_g30_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.10 OR cpe:2.3:h:ge:multilin_g30:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_g60_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.10 OR cpe:2.3:h:ge:multilin_g60:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_l30_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.10 OR cpe:2.3:h:ge:multilin_l30:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_l60_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.10 OR cpe:2.3:h:ge:multilin_l60:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_l90_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.10 OR cpe:2.3:h:ge:multilin_l90:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_m60_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.10 OR cpe:2.3:h:ge:multilin_m60:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_n60_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.10 OR cpe:2.3:h:ge:multilin_n60:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_t35_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.10 OR cpe:2.3:h:ge:multilin_t35:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_t60_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.10 OR cpe:2.3:h:ge:multilin_t60:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ge:multilin_c30_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.10 OR cpe:2.3:h:ge:multilin_c30:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-27428 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-27428 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.21 }} 0.01%

score

0.58937

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability