CVE-2021-1528: cisco catalyst_sd-wan_manager Execution with Unnecessary Privileges
Vulnerability summary
CVE-2021-1528 is a high (CVSS 7.8) Execution with Unnecessary Privileges vulnerability in cisco catalyst_sd-wan_manager. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 14.9% of scored vulnerabilities.
Timeline
- 04-06-2021PublishedVulnerability first disclosed.
- 07-11-2024Last modifiedVulnerability information updated.
Description
A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to gain elevated privileges on an affected system. This vulnerability exists because the affected software does not properly restrict access to privileged processes. An attacker could exploit this vulnerability by invoking a privileged process in the affected system. A successful exploit could allow the attacker to perform actions with the privileges of the root user.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.25%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
0.00 pp
From 0.25% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco12 products
- catalyst_sd-wan_manager≥ 20.4, < 20.4.2 | ≥ 20.5, < 20.5.1
- cisco sd-wan solutionn/a
- sd-wan_vbond_orchestrator≥ 20.4, < 20.4.2 | ≥ 20.5, < 20.5.1
- vedge_100_firmware≥ 20.4, < 20.4.2 | ≥ 20.5, < 20.5.1
- vedge_1000_firmware≥ 20.4, < 20.4.2 | ≥ 20.5, < 20.5.1
1 vendor · 12 products
References
1 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-fuErCWwFVendor AdvisoryX Refsource CISCO