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Vulnerability record · CVE-2021-1397 · published 6 May 2021

CVE-2021-1397: Cisco integrated management controller open redirect vulnerability

Cisco · Integrated Management Controller

A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Software could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. This vulnerability is due to improper input validation of the parameters in an HTTP request. An attacker could exploit this vulnerability by persuading a user to click a crafted link. A successful exploit could allow the attacker to redirect a user to a malicious website. This vulnerability is known as an open redirect attack, which is used in phishing attacks to get users to visit malicious sites without their knowledge.

6.1 CVSS 3.1 Medium EPSS 0.83% · top 44.1% CWE-601 · Open redirect
6.1CVSS 3.1 base score, v2 5.8
0.83%EPSS exploitation probability, 30 days
NoNot in CISA KEV
25Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Software could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. This vulnerability is due to improper input validation of the parameters in an HTTP request. An attacker could exploit this vulnerability by persuading a user to click a crafted link. A successful exploit could allow the attacker to redirect a user to a malicious website. This vulnerability is known as an open redirect attack, which is used in phishing attacks to get users to visit malicious sites without their knowledge.

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

Affected products

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

References

LinkTags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-imc-openred-zAYrU6d2 Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-imc-openred-zAYrU6d2 Vendor Advisory

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Related vulnerabilities

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

4.7CVE-2012-0518Oracle Fusion Middleware SSO open redirect flawOracle Fusion Middleware 10.1.4.3.0 contains an unspecified open redirect vulnerability in the Application Server Single Sign-On component, tracked a…KEVEPSS 4.7%analysed6.1CVE-2021-38000Google Chrome Android Intents input validation open redirectChrome on Android before 95.0.4638.69 fails to properly validate untrusted input passed through Intents, allowing a crafted HTML page to redirect the…KEVEPSS 4.9%analysed

Source: NIST National Vulnerability Database (record CVE-2021-1397), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.