CVE-2021-1436
Cisco IOS XE SD-WAN Path Traversal Vulnerability
Description
A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to conduct path traversal attacks and obtain read access to sensitive files on an affected system. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to view arbitrary files on the affected system.
INFO
Published Date :
March 24, 2021, 8:15 p.m.
Last Modified :
Nov. 7, 2023, 3:28 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
0.8
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-2021-1436.
| URL | Resource |
|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-sdwpathtrav-nsrue2Mt | Vendor 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-2021-1436 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-1436 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 -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Removed CVSS V3 Cisco Systems, Inc. AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N Added CVSS V3.1 Cisco Systems, Inc. AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N -
Initial Analysis by [email protected]
Mar. 29, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:M/Au:N/C:C/I:N/A:N) Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-sdwpathtrav-nsrue2Mt No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-sdwpathtrav-nsrue2Mt Vendor Advisory Added CPE Configuration OR *cpe:2.3:o:cisco:ios_xe:3.15.1xbs:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:3.15.2xbs:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.11.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.11.1a:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.11.1b:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.11.1c:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.11.1s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.11.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.12.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.12.1a:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.12.1c:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.12.1s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.12.1t:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.12.1w:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.12.1x:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.12.1y:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.12.1z:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.12.1za:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.12.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.12.2a:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.12.2s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.12.2t:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.12.3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.12.3a:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.12.3s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.12.4:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:16.12.4a:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:17.1.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:17.1.1a:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:17.1.1s:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:17.1.1t:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:17.1.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:17.2.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:17.2.1a:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:17.2.1r:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:17.2.1v:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xe:17.2.2:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Mar. 24, 2021
Action Type Old Value New Value Changed Description A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to conduct path traversal attacks and obtain read access to sensitive files on an affected system. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to view arbitrary files on the affected system. A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to conduct path traversal attacks and obtain read access to sensitive files on an affected system. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to view arbitrary files on the affected system.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-1436 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-2021-1436
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.07978
percentile