CVE-2021-39392
MyLittleBackup ASP Code Execution Vulnerability
Description
The management tool in MyLittleBackup up to and including 1.7 allows remote attackers to execute arbitrary code because machineKey is hardcoded (the same for all customers' installations) in web.config, and can be used to send serialized ASP code.
INFO
Published Date :
Sept. 15, 2021, 5:15 p.m.
Last Modified :
Oct. 7, 2021, 5:55 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
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-2021-39392.
| URL | Resource |
|---|---|
| http://www.mylittlebackup.com/mlb/zip/mlb_1.7.zip | Broken Link |
| https://gist.github.com/omriinbar/65827626e63f15e3e50557e2d9d61281 | Third Party 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-2021-39392 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-39392 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]
Oct. 07, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:mylittlebackup:mylittlebackup:*:*:*:*:*:*:*:* versions up to (including) 1.7 OR *cpe:2.3:a:mylittletools:mylittlebackup:*:*:*:*:*:*:*:* versions up to (including) 1.7 -
Initial Analysis by [email protected]
Sep. 28, 2021
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 http://www.mylittlebackup.com/mlb/zip/mlb_1.7.zip No Types Assigned http://www.mylittlebackup.com/mlb/zip/mlb_1.7.zip Broken Link Changed Reference Type https://gist.github.com/omriinbar/65827626e63f15e3e50557e2d9d61281 No Types Assigned https://gist.github.com/omriinbar/65827626e63f15e3e50557e2d9d61281 Third Party Advisory Added CWE NIST CWE-502 Added CPE Configuration OR *cpe:2.3:a:mylittlebackup:mylittlebackup:*:*:*:*:*:*:*:* versions up to (including) 1.7
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-39392 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-2021-39392
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.66 }} 0.48%
score
0.88058
percentile