8.8
HIGH
CVE-2021-25667
"Siemens SCALANCE and RUGGEDCOM STP BPDU Stack-Based Buffer Overflow Vulnerability"
Description
A vulnerability has been identified in RUGGEDCOM RM1224 (All versions >= V4.3 and < V6.4), SCALANCE M-800 (All versions >= V4.3 and < V6.4), SCALANCE S615 (All versions >= V4.3 and < V6.4), SCALANCE SC-600 Family (All versions >= V2.0 and < V2.1.3), SCALANCE XB-200 (All versions < V4.1), SCALANCE XC-200 (All versions < V4.1), SCALANCE XF-200BA (All versions < V4.1), SCALANCE XM400 (All versions < V6.2), SCALANCE XP-200 (All versions < V4.1), SCALANCE XR-300WG (All versions < V4.1), SCALANCE XR500 (All versions < V6.2). Affected devices contain a stack-based buffer overflow vulnerability in the handling of STP BPDU frames that could allow a remote attacker to trigger a denial-of-service condition or potentially remote code execution. Successful exploitation requires the passive listening feature of the device to be active.
INFO
Published Date :
March 15, 2021, 5:15 p.m.
Last Modified :
Oct. 19, 2022, 7:26 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
2.8
Affected Products
The following products are affected by CVE-2021-25667
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.
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-2021-25667.
| URL | Resource |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-979775.pdf | Patch Vendor Advisory |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-068-03 | Patch Third Party Advisory US Government Resource |
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-2021-25667 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-25667 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]
Oct. 19, 2022
Action Type Old Value New Value Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-979775.pdf Vendor Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-979775.pdf Patch, Vendor Advisory Changed Reference Type https://us-cert.cisa.gov/ics/advisories/icsa-21-068-03 Third Party Advisory, US Government Resource https://us-cert.cisa.gov/ics/advisories/icsa-21-068-03 Patch, Third Party Advisory, US Government Resource Changed CPE Configuration AND OR *cpe:2.3:o:siemens:ruggedcom_rm1224_firmware:*:*:*:*:*:*:*:* versions from (including) 4.3 up to (excluding) 4.6 OR cpe:2.3:h:siemens:ruggedcom_rm1224:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:siemens:ruggedcom_rm1224_firmware:*:*:*:*:*:*:*:* versions from (including) 4.3 up to (excluding) 6.4 OR cpe:2.3:h:siemens:ruggedcom_rm1224:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_m-800_firmware:*:*:*:*:*:*:*:* versions from (including) 4.3 up to (excluding) 4.6 OR cpe:2.3:h:siemens:scalance_m-800:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:siemens:scalance_m-800_firmware:*:*:*:*:*:*:*:* versions from (including) 4.3 up to (excluding) 6.4 OR cpe:2.3:h:siemens:scalance_m-800:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_s615_firmware:*:*:*:*:*:*:*:* versions from (including) 4.3 up to (excluding) 4.6 OR cpe:2.3:h:siemens:scalance_s615:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:siemens:scalance_s615_firmware:*:*:*:*:*:*:*:* versions from (including) 4.3 up to (excluding) 6.4 OR cpe:2.3:h:siemens:scalance_s615:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Apr. 22, 2021
Action Type Old Value New Value Changed Description A vulnerability has been identified in RUGGEDCOM RM1224 (All versions >= V4.3), SCALANCE M-800 (All versions >= V4.3), SCALANCE S615 (All versions >= V4.3), SCALANCE SC-600 Family (All versions >= V2.0 and < V2.1.3), SCALANCE X300WG (All versions < V4.1), SCALANCE XM400 (All versions < V6.2), SCALANCE XR500 (All versions < V6.2), SCALANCE Xx200 Family (All versions < V4.1). Affected devices contain a stack-based buffer overflow vulnerability in the handling of STP BPDU frames that could allow a remote attacker to trigger a denial-of-service condition or potentially remote code execution. Successful exploitation requires the passive listening feature of the device to be active. A vulnerability has been identified in RUGGEDCOM RM1224 (All versions >= V4.3 and < V6.4), SCALANCE M-800 (All versions >= V4.3 and < V6.4), SCALANCE S615 (All versions >= V4.3 and < V6.4), SCALANCE SC-600 Family (All versions >= V2.0 and < V2.1.3), SCALANCE XB-200 (All versions < V4.1), SCALANCE XC-200 (All versions < V4.1), SCALANCE XF-200BA (All versions < V4.1), SCALANCE XM400 (All versions < V6.2), SCALANCE XP-200 (All versions < V4.1), SCALANCE XR-300WG (All versions < V4.1), SCALANCE XR500 (All versions < V6.2). Affected devices contain a stack-based buffer overflow vulnerability in the handling of STP BPDU frames that could allow a remote attacker to trigger a denial-of-service condition or potentially remote code execution. Successful exploitation requires the passive listening feature of the device to be active. -
Modified Analysis by [email protected]
Apr. 19, 2021
Action Type Old Value New Value Changed Reference Type https://us-cert.cisa.gov/ics/advisories/icsa-21-068-03 No Types Assigned https://us-cert.cisa.gov/ics/advisories/icsa-21-068-03 Third Party Advisory, US Government Resource Removed CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x-200_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.1 OR cpe:2.3:h:siemens:scalance_x-200:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR *cpe:2.3:o:siemens:ruggedcom_rm1224_firmware:*:*:*:*:*:*:*:* versions up to (including) 4.3 OR cpe:2.3:h:siemens:ruggedcom_rm1224:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:siemens:ruggedcom_rm1224_firmware:*:*:*:*:*:*:*:* versions from (including) 4.3 up to (excluding) 4.6 OR cpe:2.3:h:siemens:ruggedcom_rm1224:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_m-800_firmware:*:*:*:*:*:*:*:* versions up to (including) 4.3 OR cpe:2.3:h:siemens:scalance_m-800:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:siemens:scalance_m-800_firmware:*:*:*:*:*:*:*:* versions from (including) 4.3 up to (excluding) 4.6 OR cpe:2.3:h:siemens:scalance_m-800:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_s615_firmware:*:*:*:*:*:*:*:* versions up to (including) 4.3 OR cpe:2.3:h:siemens:scalance_s615:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:siemens:scalance_s615_firmware:*:*:*:*:*:*:*:* versions from (including) 4.3 up to (excluding) 4.6 OR cpe:2.3:h:siemens:scalance_s615:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_xb-200_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.1 OR cpe:2.3:h:siemens:scalance_xb-200:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_xc-200_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.1 OR cpe:2.3:h:siemens:scalance_xc-200:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_xf-200ba_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.1 OR cpe:2.3:h:siemens:scalance_xf-200ba:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_xp-200_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.1 OR cpe:2.3:h:siemens:scalance_xp-200:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Apr. 15, 2021
Action Type Old Value New Value Added Reference https://us-cert.cisa.gov/ics/advisories/icsa-21-068-03 [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 18, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:A/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-979775.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-979775.pdf Vendor Advisory Added CWE NIST CWE-787 Added CPE Configuration AND OR *cpe:2.3:o:siemens:ruggedcom_rm1224_firmware:*:*:*:*:*:*:*:* versions up to (including) 4.3 OR cpe:2.3:h:siemens:ruggedcom_rm1224:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_m-800_firmware:*:*:*:*:*:*:*:* versions up to (including) 4.3 OR cpe:2.3:h:siemens:scalance_m-800:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_s615_firmware:*:*:*:*:*:*:*:* versions up to (including) 4.3 OR cpe:2.3:h:siemens:scalance_s615:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x300wg_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.1 OR cpe:2.3:h:siemens:scalance_x300wg:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_xm400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 6.2 OR cpe:2.3:h:siemens:scalance_xm400:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_xr500_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 6.2 OR cpe:2.3:h:siemens:scalance_xr500:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_x-200_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.1 OR cpe:2.3:h:siemens:scalance_x-200:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_sc622-2c_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.0 *cpe:2.3:o:siemens:scalance_sc622-2c_firmware:*:*:*:*:*:*:*:* versions from (including) 2.1 up to (excluding) 2.1.3 OR cpe:2.3:h:siemens:scalance_sc622-2c:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_sc632-2c_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.0 *cpe:2.3:o:siemens:scalance_sc632-2c_firmware:*:*:*:*:*:*:*:* versions from (including) 2.1 up to (excluding) 2.1.3 OR cpe:2.3:h:siemens:scalance_sc632-2c:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_sc636-2c_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.0 *cpe:2.3:o:siemens:scalance_sc636-2c_firmware:*:*:*:*:*:*:*:* versions from (including) 2.1 up to (excluding) 2.1.3 OR cpe:2.3:h:siemens:scalance_sc636-2c:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_sc642-2c_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.0 *cpe:2.3:o:siemens:scalance_sc642-2c_firmware:*:*:*:*:*:*:*:* versions from (including) 2.1 up to (excluding) 2.1.3 OR cpe:2.3:h:siemens:scalance_sc642-2c:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:scalance_sc646-2c_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.0 *cpe:2.3:o:siemens:scalance_sc646-2c_firmware:*:*:*:*:*:*:*:* versions from (including) 2.1 up to (excluding) 2.1.3 OR cpe:2.3:h:siemens:scalance_sc646-2c:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Mar. 15, 2021
Action Type Old Value New Value Changed Description A vulnerability has been identified in RUGGEDCOM RM1224 (All versions >= V4.3), SCALANCE M-800 (All versions >= V4.3), SCALANCE S615 (All versions >= V4.3), SCALANCE SC-600 Family (All versions >= V2.0 and < V2.1.3), SCALANCE X300WG (All versions < V4.1), SCALANCE XM400 (All versions < V6.2), SCALANCE XR500 (All versions < V6.2), SCALANCE Xx200 Family (All versions < V4.1). Affected devices contain a stack-based buffer overflow vulnerability in the handling of STP BPDU frames that could allow a remote attacker to trigger a denial-of-service condition or potentially remote code execution. Successful exploitation requires the passive listening feature of the device to be active. A vulnerability has been identified in RUGGEDCOM RM1224 (All versions >= V4.3), SCALANCE M-800 (All versions >= V4.3), SCALANCE S615 (All versions >= V4.3), SCALANCE SC-600 Family (All versions >= V2.0 and < V2.1.3), SCALANCE X300WG (All versions < V4.1), SCALANCE XM400 (All versions < V6.2), SCALANCE XR500 (All versions < V6.2), SCALANCE Xx200 Family (All versions < V4.1). Affected devices contain a stack-based buffer overflow vulnerability in the handling of STP BPDU frames that could allow a remote attacker to trigger a denial-of-service condition or potentially remote code execution. Successful exploitation requires the passive listening feature of the device to be active.
EPSS is a daily estimate of the probability of exploitation activity
being observed over the next 30 days. Following chart shows the EPSS
score history of the vulnerability.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-25667 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-2021-25667
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.59 }} 0.00%
score
0.78219
percentile
CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability