CVE-2021-41987
Mikrotik RouterOS SCEP Server Heap-Based Buffer Overflow
Description
In the SCEP Server of RouterOS in certain Mikrotik products, an attacker can trigger a heap-based buffer overflow that leads to remote code execution. The attacker must know the scep_server_name value. This affects RouterOS 6.46.8, 6.47.9, and 6.47.10.
INFO
Published Date :
March 16, 2022, 3:15 p.m.
Last Modified :
June 30, 2022, 7:32 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.2
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-2021-41987.
| URL | Resource |
|---|---|
| https://mikrotik.com/download/archive | Release Notes Vendor Advisory |
| https://teamt5.org/en/posts/vulnerability-mikrotik-cve-2021-41987/ | Exploit 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-2021-41987 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-41987 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 -
Modified Analysis by [email protected]
Jun. 30, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:mikrotik:routeros:6.46:*:*:*:*:*:*:* *cpe:2.3:o:mikrotik:routeros:6.46.8:*:*:*:*:*:*:* *cpe:2.3:o:mikrotik:routeros:6.47.9:*:*:*:*:*:*:* *cpe:2.3:o:mikrotik:routeros:6.47.10:*:*:*:*:*:*:* OR *cpe:2.3:o:mikrotik:routeros:6.46.8:*:*:*:*:*:*:* *cpe:2.3:o:mikrotik:routeros:6.47.9:*:*:*:*:*:*:* *cpe:2.3:o:mikrotik:routeros:6.47.10:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Mar. 29, 2022
Action Type Old Value New Value Changed Description In the SCEP Server of RouterOS in certain Mikrotik products, an attacker can trigger a heap-based buffer overflow that leads to remote code execution. The attacker must control the SCEP server for a valid certificate. This affects mikrotik-vm-6.46, mikrotik-vm-6.46.8, mikrotik-tile-6.46.8, mikrotik-6.47.9, and mikrotik-6.47.10. In the SCEP Server of RouterOS in certain Mikrotik products, an attacker can trigger a heap-based buffer overflow that leads to remote code execution. The attacker must know the scep_server_name value. This affects RouterOS 6.46.8, 6.47.9, and 6.47.10. -
Initial Analysis by [email protected]
Mar. 28, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://mikrotik.com/download/archive No Types Assigned https://mikrotik.com/download/archive Release Notes, Vendor Advisory Changed Reference Type https://teamt5.org/en/posts/vulnerability-mikrotik-cve-2021-41987/ No Types Assigned https://teamt5.org/en/posts/vulnerability-mikrotik-cve-2021-41987/ Exploit, Third Party Advisory Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:o:mikrotik:routeros:6.46:*:*:*:*:*:*:* *cpe:2.3:o:mikrotik:routeros:6.46.8:*:*:*:*:*:*:* *cpe:2.3:o:mikrotik:routeros:6.47.9:*:*:*:*:*:*:* *cpe:2.3:o:mikrotik:routeros:6.47.10:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-41987 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-2021-41987
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.38 }} 0.01%
score
0.73551
percentile