CVE-2021-27420
GE UR HTTP Verb Handling Denial of Service
Description
GE UR firmware versions prior to version 8.1x web server task does not properly handle receipt of unsupported HTTP verbs, resulting in the web server becoming temporarily unresponsive after receiving a series of unsupported HTTP requests. When unresponsive, the web server is inaccessible. By itself, this is not particularly significant as the relay remains effective in all other functionality and communication channels.
INFO
Published Date :
March 23, 2022, 8:15 p.m.
Last Modified :
April 1, 2022, 6:25 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
1.4
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2021-27420
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.
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-2021-27420
.
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-2021-27420
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-27420
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:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L 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-20 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:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-27420
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-2021-27420
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.09 }} 0.00%
score
0.38258
percentile