Cisco SD-WAN vManage Authorization Bypass Vulnerability

published 2024-11-15 23 mo ago modified 2026-06-17 4 mo ago also EUVD-2021-6949

cvss: 6.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits: 0; none known

A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to bypass authorization checking and gain access to sensitive information on an affected system. This vulnerability is due to insufficient authorization checks. An attacker could exploit this vulnerability by sending crafted HTTP requests to the web-based management interface of an affected system. A successful exploit could allow the attacker to bypass authorization checking and gain access to sensitive information on the affected system.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 23 mo ago (2024-11-15)

Exploit prediction

0.62% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/RL:X/RC:X/E:X
CNA	3.1	6.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Affected products

Cisco Cisco Catalyst SD-WAN Manager

Classification

Weakness

CWE-20 Improper Input Validation

References

sec.cloudapps.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-vman-auth-bypass-Z3Zze5XC
vendor-advisory

Sources

CVE List CVE-2021-1482
NVD CVE-2021-1482

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Summary