CVE-2021-20677
"Mitel UNIVERGE PBX Remote DoS Vulnerability"
Description
UNIVERGE Aspire series PBX (UNIVERGE Aspire WX from 1.00 to 3.51, UNIVERGE Aspire UX from 1.00 to 9.70, UNIVERGE SV9100 from 1.00 to 10.70, and SL2100 from 1.00 to 3.00) allows a remote authenticated attacker to cause system down and a denial of service (DoS) condition by sending a specially crafted command.
INFO
Published Date :
March 26, 2021, 9:15 a.m.
Last Modified :
April 2, 2021, 12:27 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
1.4
Exploitability Score :
1.6
Affected Products
The following products are affected by CVE-2021-20677
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-2021-20677.
| URL | Resource |
|---|---|
| https://jvn.jp/en/jp/JVN12737530/index.html | Third Party Advisory |
| https://www.necplatforms.co.jp/en/press/security_adv.html | 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-2021-20677 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-20677 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. 02, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L Changed Reference Type https://jvn.jp/en/jp/JVN12737530/index.html No Types Assigned https://jvn.jp/en/jp/JVN12737530/index.html Third Party Advisory Changed Reference Type https://www.necplatforms.co.jp/en/press/security_adv.html No Types Assigned https://www.necplatforms.co.jp/en/press/security_adv.html Vendor Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration AND OR *cpe:2.3:o:necplatforms:univerge_aspire_wx_firmware:*:*:*:*:*:*:*:* versions from (including) 1.00 up to (including) 3.51 OR cpe:2.3:h:necplatforms:univerge_aspire_wx:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:necplatforms:univerge_aspire_ux_firmware:*:*:*:*:*:*:*:* versions from (including) 1.00 up to (including) 9.70 OR cpe:2.3:h:necplatforms:univerge_aspire_ux:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:necplatforms:univerge_sv9100_firmware:*:*:*:*:*:*:*:* versions from (including) 1.00 up to (including) 10.70 OR cpe:2.3:h:necplatforms:univerge_sv9100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:necplatforms:sl2100_firmware:*:*:*:*:*:*:*:* versions from (including) 1.00 up to (including) 3.00 OR cpe:2.3:h:necplatforms:sl2100:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-20677 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-2021-20677
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.11 }} 0.00%
score
0.42271
percentile