CVE-2021-1284: cisco catalyst_sd-wan_manager Improper Access Control
Vulnerability summary
CVE-2021-1284 is a high (CVSS 8.8) Improper Access Control vulnerability in cisco catalyst_sd-wan_manager. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 36.8% of scored vulnerabilities.
Timeline
- 06-05-2021PublishedVulnerability first disclosed.
- 08-11-2024Last modifiedVulnerability information updated.
Description
A vulnerability in the web-based messaging service interface of Cisco SD-WAN vManage Software could allow an unauthenticated, adjacent attacker to bypass authentication and authorization and modify the configuration of an affected system. To exploit this vulnerability, the attacker must be able to access an associated Cisco SD-WAN vEdge device. This vulnerability is due to insufficient authorization checks. An attacker could exploit this vulnerability by sending crafted HTTP requests to the web-based messaging service interface of an affected system. A successful exploit could allow the attacker to gain unauthenticated read and write access to the affected vManage system. With this access, the attacker could access information about the affected vManage system, modify the configuration of the system, or make configuration changes to devices that are managed by the system.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST8.8HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.44%
Chance of exploitation in the next 30 days
Percentile
37%
Versus all other CVEs
30-day change
0.00 pp
From 0.44% 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
Cisco3 products
- catalyst_sd-wan_manager≥ 20.4, < 20.4.1 | ≥ 20.5, < 20.5.1
- cisco sd-wan vmanagen/a
- sd-wan_vmanage< 20.3.1
1 vendor · 3 products
References
1 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdw-auth-bypass-65aYqcS2Vendor AdvisoryX Refsource CISCO