CVE-2021-28496
Arista EOS Information Disclosure
Description
On systems running Arista EOS and CloudEOS with the affected release version, when using shared secret profiles the password configured for use by BiDirectional Forwarding Detection (BFD) will be leaked when displaying output over eAPI or other JSON outputs to other authenticated users on the device. The affected EOS Versions are: all releases in 4.22.x train, 4.23.9 and below releases in the 4.23.x train, 4.24.7 and below releases in the 4.24.x train, 4.25.4 and below releases in the 4.25.x train, 4.26.1 and below releases in the 4.26.x train
INFO
Published Date :
Oct. 21, 2021, 5:15 p.m.
Last Modified :
July 30, 2022, 12:29 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
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-2021-28496.
| URL | Resource |
|---|---|
| https://www.arista.com/en/support/advisories-notices/security-advisories/13243-security-advisory-0069 | 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-2021-28496 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-28496 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 -
Reanalysis by [email protected]
Jul. 30, 2022
Action Type Old Value New Value Removed CWE NIST CWE-311 Added CWE NIST CWE-522 -
Initial Analysis by [email protected]
Oct. 28, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://www.arista.com/en/support/advisories-notices/security-advisories/13243-security-advisory-0069 No Types Assigned https://www.arista.com/en/support/advisories-notices/security-advisories/13243-security-advisory-0069 Vendor Advisory Added CWE NIST CWE-311 Added CPE Configuration OR *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.22 up to (including) 4.22.7m *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.23 up to (excluding) 4.23.10 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.24 up to (excluding) 4.24.8 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.25 up to (excluding) 4.25.5 *cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* versions from (including) 4.26 up to (excluding) 4.26.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-28496 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-2021-28496
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} 0.00%
score
0.26633
percentile