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Vulnerability record · CVE-2021-1218 · published 20 January 2021

CVE-2021-1218: Cisco smart software manager on-prem open redirect vulnerability

Cisco · Smart Software Manager On Prem

A vulnerability in the web management interface of Cisco Smart Software Manager satellite could allow an authenticated, remote attacker to redirect a user to an undesired web page. The vulnerability is due to improper input validation of the URL parameters in an HTTP request that is sent to an affected device. An attacker could exploit this vulnerability by sending a crafted HTTP request that could cause the web application to redirect the request to a specified malicious URL. A successful exploit could allow the attacker to redirect a user to a malicious website.

5.4 CVSS 3.1 Medium EPSS 0.56% · top 55.0% CWE-601 · Open redirect
5.4CVSS 3.1 base score, v2 4.9
0.56%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A vulnerability in the web management interface of Cisco Smart Software Manager satellite could allow an authenticated, remote attacker to redirect a user to an undesired web page. The vulnerability is due to improper input validation of the URL parameters in an HTTP request that is sent to an affected device. An attacker could exploit this vulnerability by sending a crafted HTTP request that could cause the web application to redirect the request to a specified malicious URL. A successful exploit could allow the attacker to redirect a user to a malicious website.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cssmor-MDCWkT2x Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cssmor-MDCWkT2x Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-1218), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.