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Fencer Intel
medium 5.0

CVE-2021-1464 json

Cisco SD-WAN vManage Authorization Bypass Vulnerability

published last yr. modified 4mo ago also EUVD-2021-6931

cvss
5.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

A vulnerability in Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to bypass authorization checking and gain restricted access to the configuration information of an affected system. This vulnerability exists because the affected software has insufficient input validation for certain commands. An attacker could exploit this vulnerability by sending crafted requests to the affected commands of an affected system. A successful exploit could allow the attacker to bypass authorization checking and gain restricted access to the configuration data of the affected system.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

1.34% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 5.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/RL:X/RC:X/E:X
CNA 3.1 5.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
NVD 3.1 5.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Affected products

  • Cisco Cisco Catalyst SD-WAN Manager

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.