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TI-2020-02925 Aliases CVE-2020-3374GHSA-wr3q-48h2-426r

Cisco SD-WAN vManage Software Authorization Bypass Vulnerability

Priority MEDIUM 47CWE-285Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-285.

Summary

A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to bypass authorization, enabling them to access sensitive information, modify the system configuration, or impact the availability of the affected system. The vulnerability is due to insufficient authorization checking on the affected system. 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 gain privileges beyond what would normally be authorized for their configured user authorization level. The attacker may be able to access sensitive information, modify the system configuration, or impact the availability of the affected system.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01917 80th percentileScored 2026-11-08
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoCisco SD-WAN vManageall versions—No fix listedCNA
  • Cisco SD-WAN vManage VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cisco:sd-wan:*:*:*:*:*:*:*:*up to 18.3.0; 18.4.0 to before 18.4.5; 19.2.0 to before 19.2.2; 19.3.0 to before 20.1.1VulnerableCisco
  • cpe:2.3:a:cisco:sd-wan:*:*:*:*:*:*:*:* Versions up to 18.3.0; 18.4.0 to before 18.4.5; 19.2.0 to before 19.2.2; 19.3.0 to before 20.1.1 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-3374
  2. 2026-10-03 Alias added: GHSA-wr3q-48h2-426r

References

  • TI-2022-05334 Cisco SD-WAN Software Privilege Escalation Vulnerability KEVCVSS 3.1HIGH 7.8
  • TI-2022-05377 Cisco SD-WAN Software Privilege Escalation Vulnerabilities CVSS 3.1HIGH 7.8
  • TI-2020-16490 Cisco SD-WAN vManage Software Arbitrary File Creation Vulnerability CVSS 3.1MEDIUM 6.5
  • TI-2020-02926 Cisco SD-WAN Solution Software Buffer Overflow Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2018-10947 Cisco SD-WAN Solution Certificate Validation Bypass Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2019-01251 Cisco SD-WAN Solution Command Injection Vulnerability CVSS 3.0HIGH 8.8
See all 26 →

Sources