Home/CVE/A vulnerability in the disaster recovery feature of Cisco SD-WAN vManage Software could allow an authenticated, remote a
CVE

CVE-2021-1589

A vulnerability in the disaster recovery feature of Cisco SD-WAN vManage Software could allow an authenticated, remote a

A vulnerability in the disaster recovery feature of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to gain unauthorized access to user credentials. This vulnerability exists because access to API endpoints is not properly restricted. An attacker could exploit this vulnerability by sending a request to an API endpoint.

A successful exploit could allow the attacker to gain unauthorized access to administrative credentials that could be used in further attacks.

MEDIUM · CVSS 6.5 EPSS 0.0024
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-256Plaintext Storage of a Password
CWE-522Insufficiently Protected Credentials
▤

Affected Products & Versions

4
cisco sd-wan>= 20.3 and < 20.3.4
cisco sd-wan>= 20.4 and < 20.4.2
cisco sd-wan>= 20.5 and < 20.5.2
cisco sd-wan>= 20.6 and < 20.6.1
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · psirt@cisco.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 Sep 2021 · 03:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisco-csafcisco-sa-sd-wan-credentials-ydYfskzZ
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-credentials-ydYfskzZPatchVendor Advisory
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