Vulnerability Details : CVE-2021-1531
A vulnerability in the web UI of Cisco Modeling Labs could allow an authenticated, remote attacker to execute arbitrary commands with the privileges of the web application on the underlying operating system of an affected Cisco Modeling Labs server. This vulnerability is due to insufficient validation of user-supplied input to the web UI. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected server. A successful exploit could allow the attacker to execute arbitrary commands with the privileges of the web application, virl2, on the underlying operating system of the affected server. To exploit this vulnerability, the attacker must have valid user credentials on the web UI.
Products affected by CVE-2021-1531
- cpe:2.3:a:cisco:modeling_labs:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:modeling_labs:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:modeling_labs:2.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:modeling_labs:2.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:modeling_labs:2.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:modeling_labs:2.1.3:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-1531
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 31 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-1531
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.0
|
HIGH | AV:N/AC:L/Au:S/C:C/I:C/A:C |
8.0
|
10.0
|
NIST | |
|
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
Cisco Systems, Inc. | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2021-1531
-
The product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string.Assigned by: ykramarz@cisco.com (Primary)
References for CVE-2021-1531
-
http://packetstormsecurity.com/files/163265/Cisco-Modeling-Labs-2.1.1-b19-Remote-Command-Execution.html
Cisco Modeling Labs 2.1.1-b19 Remote Command Execution ≈ Packet StormExploit;Third Party Advisory;VDB Entry
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cml-cmd-inject-N4VYeQXB
Cisco Modeling Labs Web UI Command Injection VulnerabilityVendor Advisory
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