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TI-2018-10947 Aliases CVE-2018-15387GHSA-jhq5-xcpf-vrwm

Cisco SD-WAN Solution Certificate Validation Bypass Vulnerability

Priority MEDIUM 51CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Spoofing
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-295.

Summary

A vulnerability in the Cisco SD-WAN Solution could allow an unauthenticated, remote attacker to bypass certificate validation on an affected device. The vulnerability is due to improper certificate validation. An attacker could exploit this vulnerability by supplying a system image signed with a crafted certificate to an affected device, bypassing the certificate validation. An exploit could allow an attacker to deploy a crafted system image.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01099 65th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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 Solutionall versions—No fix listedCNA
  • Cisco SD-WAN Solution VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:cisco:sd-wan:*:*:*:*:*:*:*:*17.2.0 to before 17.2.8VulnerableCisco
cpe:2.3:a:cisco:sd-wan:18.3.0:*:*:*:*:*:*:*18.3.0VulnerableCisco
  • cpe:2.3:a:cisco:sd-wan:*:*:*:*:*:*:*:* Versions 17.2.0 to before 17.2.8 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:sd-wan:18.3.0:*:*:*:*:*:*:* Versions 18.3.0 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-15387
  2. 2026-10-03 Alias added: GHSA-jhq5-xcpf-vrwm

References

Advisory 1

  • 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-2020-02925 Cisco SD-WAN vManage Software Authorization Bypass Vulnerability CVSS 3.1CRITICAL 9.9
  • TI-2019-01251 Cisco SD-WAN Solution Command Injection Vulnerability CVSS 3.0HIGH 8.8
See all 26 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences