CVE-2021-27913
Mautic mt_rand-based Session Token Vulnerability (Predictable Randomness)
Description
The function mt_rand is used to generate session tokens, this function is cryptographically flawed due to its nature being one pseudorandomness, an attacker can take advantage of the cryptographically insecure nature of this function to enumerate session tokens for accounts that are not under his/her control This issue affects: Mautic Mautic versions prior to 3.3.4; versions prior to 4.0.0.
INFO
Published Date :
Aug. 30, 2021, 4:15 p.m.
Last Modified :
Nov. 21, 2024, 5:58 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 3.1 | LOW | [email protected] |
Public PoC/Exploit Available at Github
CVE-2021-27913 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-2021-27913.
| URL | Resource |
|---|---|
| https://github.com/mautic/mautic/security/advisories/GHSA-x7g2-wrrp-r6h3 | Exploit Patch Third Party Advisory |
| https://github.com/mautic/mautic/security/advisories/GHSA-x7g2-wrrp-r6h3 | Exploit Patch Third Party 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-2021-27913 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-2021-27913
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).
Automatic monitor github cve using Github Actions
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-2021-27913 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-27913 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://github.com/mautic/mautic/security/advisories/GHSA-x7g2-wrrp-r6h3 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Sep. 03, 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:S/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N Changed Reference Type https://github.com/mautic/mautic/security/advisories/GHSA-x7g2-wrrp-r6h3 No Types Assigned https://github.com/mautic/mautic/security/advisories/GHSA-x7g2-wrrp-r6h3 Exploit, Patch, Third Party Advisory Added CWE NIST CWE-338 Added CPE Configuration OR *cpe:2.3:a:acquia:mautic:*:*:*:*:*:*:*:* versions up to (excluding) 3.3.4 *cpe:2.3:a:acquia:mautic:4.0.0:alpha1:*:*:*:*:*:* *cpe:2.3:a:acquia:mautic:4.0.0:beta:*:*:*:*:*:* *cpe:2.3:a:acquia:mautic:4.0.0:rc:*:*:*:*:*:* -
CVE Modified by [email protected]
Aug. 30, 2021
Action Type Old Value New Value Changed Description The function mt_rand is used to generate session tokens, this function is cryptographically flawed due to its nature being one pseudorandomness, an attacker can take advantage of the cryptographically insecure nature of this function to enumerate session tokens for accounts that are not under his/her control This issue affects: Mautic Mautic versions prior to 3.3.4; versions prior to 4.0.0. The function mt_rand is used to generate session tokens, this function is cryptographically flawed due to its nature being one pseudorandomness, an attacker can take advantage of the cryptographically insecure nature of this function to enumerate session tokens for accounts that are not under his/her control This issue affects: Mautic Mautic versions prior to 3.3.4; versions prior to 4.0.0.
Vulnerability Scoring Details
Base CVSS Score: 3.5
Base CVSS Score: 3.5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.09 }} 0.01%
score
0.22620
percentile