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Vulnerability record · CVE-2021-34766 · published 6 October 2021

CVE-2021-34766: Cisco smart software manager on-prem improper privilege management vulnerability

Cisco · Smart Software Manager On Prem

A vulnerability in the web UI of Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an authenticated, remote attacker to elevate privileges and create, read, update, or delete records and settings in multiple functions. This vulnerability is due to insufficient authorization of the System User and System Operator role capabilities. An attacker could exploit this vulnerability by directly accessing a web resource. A successful exploit could allow the attacker to create, read, update, or delete records and settings in multiple functions without the necessary permissions on the web UI.

8.8 CVSS 3.1 High EPSS 0.97% · top 39.4% CWE-269 · Improper privilege management
8.8CVSS 3.1 base score, v2 6.5
0.97%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 UI of Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an authenticated, remote attacker to elevate privileges and create, read, update, or delete records and settings in multiple functions. This vulnerability is due to insufficient authorization of the System User and System Operator role capabilities. An attacker could exploit this vulnerability by directly accessing a web resource. A successful exploit could allow the attacker to create, read, update, or delete records and settings in multiple functions without the necessary permissions on the web UI.

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

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-ssm-priv-esc-5g35cdDJ Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ssm-priv-esc-5g35cdDJ Vendor Advisory

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Related vulnerabilities

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

10.0CVE-2024-20419Cisco Smart Software Manager On-Prem password change authentication bypassCisco Smart Software Manager On-Prem (SSM On-Prem) implements the password-change process improperly, allowing an unauthenticated remote attacker to …EPSS 81%analysed9.8CVE-2026-20160Cisco smart software manager on-prem exposure of resource to wrong sphere vulnerabilityA vulnerability in Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an unauthenticated, remote attacker to execute arbitrary commands o…EPSS 0.91%9.1CVE-2020-3158Cisco smart software manager on-prem hard-coded credentials vulnerabilityA vulnerability in the High Availability (HA) service of Cisco Smart Software Manager On-Prem could allow an unauthenticated, remote attacker to acce…EPSS 2.6%9.1CVE-2019-16029Cisco smart software manager on-prem improper input validation vulnerabilityA vulnerability in the application programming interface (API) of Cisco Smart Software Manager On-Prem could allow an unauthenticated, remote attacke…EPSS 1.1%8.8CVE-2020-3443Cisco smart software manager on-prem permissions and access controls vulnerabilityA vulnerability in Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an authenticated, remote attacker to elevate privileges and execute…EPSS 1.8%8.1CVE-2021-1222Cisco smart software manager on-prem sql injection vulnerabilityA vulnerability in the web-based management interface of Cisco Smart Software Manager Satellite could allow an authenticated, remote attacker to cond…EPSS 1.2%7.8CVE-2021-1219Cisco smart software manager on-prem hard-coded credentials vulnerabilityA vulnerability in Cisco Smart Software Manager Satellite could allow an authenticated, local attacker to access sensitive information on an affected…EPSS 0.26%7.3CVE-2026-20151Cisco smart software manager on-prem vulnerabilityA vulnerability in the web interface of Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an authenticated, remote attacker to elevate p…EPSS 0.27%

Source: NIST National Vulnerability Database (record CVE-2021-34766), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.