CVE-2021-32581
Acronis SSL Certificate Validation Bypass
Description
Acronis True Image prior to 2021 Update 4 for Windows, Acronis True Image prior to 2021 Update 5 for Mac, Acronis Agent prior to build 26653, Acronis Cyber Protect prior to build 27009 did not implement SSL certificate validation.
INFO
Published Date :
Aug. 5, 2021, 8:15 p.m.
Last Modified :
Nov. 21, 2024, 6:07 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2021-32581
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.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] |
Public PoC/Exploit Available at Github
CVE-2021-32581 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2021-32581.
| URL | Resource |
|---|---|
| https://kb.acronis.com/content/68413 | Vendor Advisory |
| https://kb.acronis.com/content/68419 | Vendor Advisory |
| https://kb.acronis.com/content/68648 | Vendor Advisory |
| https://kb.acronis.com/content/68413 | Vendor Advisory |
| https://kb.acronis.com/content/68419 | Vendor Advisory |
| https://kb.acronis.com/content/68648 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-32581 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-2021-32581
weaknesses.
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).
A tool for testing for certificate validation vulnerabilities of TLS connections made by a client device or an application.
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-32581 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-32581 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 https://kb.acronis.com/content/68413 Added Reference https://kb.acronis.com/content/68419 Added Reference https://kb.acronis.com/content/68648 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Aug. 12, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N Changed Reference Type https://kb.acronis.com/content/68413 No Types Assigned https://kb.acronis.com/content/68413 Vendor Advisory Changed Reference Type https://kb.acronis.com/content/68419 No Types Assigned https://kb.acronis.com/content/68419 Vendor Advisory Changed Reference Type https://kb.acronis.com/content/68648 No Types Assigned https://kb.acronis.com/content/68648 Vendor Advisory Added CWE NIST CWE-295 Added CPE Configuration OR *cpe:2.3:a:acronis:cyber_protect_cloud:*:*:*:*:*:*:*:* versions up to (excluding) 15.0.27009 *cpe:2.3:a:acronis:cyber_protection_agent:*:*:*:*:*:*:*:* versions up to (excluding) 15.0.26653 *cpe:2.3:a:acronis:true_image:2021:-:*:*:*:macos:*:* *cpe:2.3:a:acronis:true_image:2021:-:*:*:*:windows:*:* *cpe:2.3:a:acronis:true_image:2021:update_1:*:*:*:macos:*:* *cpe:2.3:a:acronis:true_image:2021:update_1:*:*:*:windows:*:* *cpe:2.3:a:acronis:true_image:2021:update_2:*:*:*:macos:*:* *cpe:2.3:a:acronis:true_image:2021:update_2:*:*:*:windows:*:* *cpe:2.3:a:acronis:true_image:2021:update_3:*:*:*:macos:*:* *cpe:2.3:a:acronis:true_image:2021:update_3:*:*:*:windows:*:* *cpe:2.3:a:acronis:true_image:2021:update_4:*:*:*:macos:*:*
Vulnerability Scoring Details
Base CVSS Score: 8.1
Base CVSS Score: 5.8
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.16 }} -0.15%
score
0.32933
percentile