CVE-2020-9015
Arista TACACS+ Regular Expression Remote Command Injection
Description
Arista DCS-7050QX-32S-R 4.20.9M, DCS-7050CX3-32S-R 4.20.11M, and DCS-7280SRAM-48C6-R 4.22.0.1F devices (and possibly other products) allow attackers to bypass intended TACACS+ shell restrictions via a | character. NOTE: the vendor reports that this is a configuration issue relating to an overly permissive regular expression in the TACACS+ server permitted commands
INFO
Published Date :
Feb. 20, 2020, 10:15 p.m.
Last Modified :
Nov. 21, 2024, 5:39 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2020-9015
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-2020-9015.
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-2020-9015 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-9015 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/158119/Arista-Restricted-Shell-Escape-Privilege-Escalation.html Added Reference https://eos.arista.com/arista-eos-is-not-vulnerable-to-cve-2020-9015/ Added Reference https://securitybytes.me Added Reference https://securitybytes.me/posts/cve-2020-9015/ -
CVE Modified by [email protected]
Aug. 04, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 17, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 11, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Mar. 21, 2024
Action Type Old Value New Value Added Tag MITRE disputed -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Changed Description ** DISPUTED ** Arista DCS-7050QX-32S-R 4.20.9M, DCS-7050CX3-32S-R 4.20.11M, and DCS-7280SRAM-48C6-R 4.22.0.1F devices (and possibly other products) allow attackers to bypass intended TACACS+ shell restrictions via a | character. NOTE: the vendor reports that this is a configuration issue relating to an overly permissive regular expression in the TACACS+ server permitted commands. Arista DCS-7050QX-32S-R 4.20.9M, DCS-7050CX3-32S-R 4.20.11M, and DCS-7280SRAM-48C6-R 4.22.0.1F devices (and possibly other products) allow attackers to bypass intended TACACS+ shell restrictions via a | character. NOTE: the vendor reports that this is a configuration issue relating to an overly permissive regular expression in the TACACS+ server permitted commands -
CVE Modified by [email protected]
Jun. 16, 2020
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/158119/Arista-Restricted-Shell-Escape-Privilege-Escalation.html [No Types Assigned] -
CVE Modified by [email protected]
Apr. 09, 2020
Action Type Old Value New Value Added Reference https://eos.arista.com/arista-eos-is-not-vulnerable-to-cve-2020-9015/ [No Types Assigned] -
CVE Modified by [email protected]
Apr. 02, 2020
Action Type Old Value New Value Changed Description Arista DCS-7050QX-32S-R 4.20.9M, DCS-7050CX3-32S-R 4.20.11M, and DCS-7280SRAM-48C6-R 4.22.0.1F devices (and possibly other products) allow attackers to bypass intended TACACS+ shell restrictions via a | character. ** DISPUTED ** Arista DCS-7050QX-32S-R 4.20.9M, DCS-7050CX3-32S-R 4.20.11M, and DCS-7280SRAM-48C6-R 4.22.0.1F devices (and possibly other products) allow attackers to bypass intended TACACS+ shell restrictions via a | character. NOTE: the vendor reports that this is a configuration issue relating to an overly permissive regular expression in the TACACS+ server permitted commands. -
Initial Analysis by [email protected]
Mar. 04, 2020
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://securitybytes.me No Types Assigned https://securitybytes.me Third Party Advisory Changed Reference Type https://securitybytes.me/posts/cve-2020-9015/ No Types Assigned https://securitybytes.me/posts/cve-2020-9015/ Broken Link Added CWE NIST NVD-CWE-noinfo Added CPE Configuration AND OR *cpe:2.3:o:arista:dcs-7050qx-32s-r_firmware:4.20.9m:*:*:*:*:*:*:* OR cpe:2.3:h:arista:dcs-7050qx-32s-r:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:arista:dcs-7050cx3-32s-r_firmware:4.20.11m:*:*:*:*:*:*:* OR cpe:2.3:h:arista:dcs-7050cx3-32s-r:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:arista:dcs-7280sram-48c6-r_firmware:4.22.0.1f:*:*:*:*:*:*:* OR cpe:2.3:h:arista:dcs-7280sram-48c6-r:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-9015 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-2020-9015
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
4.48 }} -1.26%
score
0.92355
percentile