CVE-2018-7340 describes a critical vulnerability in Duo Network Gateway versions 1.2.9 and earlier. This flaw allows an attacker to manipulate SAML data without invalidating its cryptographic signature, potentially bypassing authentication to SAML service providers. With a CVSS score of 7.5 (High), this vulnerability is remotely exploitable with low attack complexity, leading to a high impact on integrity (authentication bypass) without affecting confidentiality or availability. While there is no known active exploitation, public exploit code, or KEV listing, the vulnerability has garnered significant community discussion and media coverage, indicating awareness of its potential impact.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.2.9CPE matchmatch criteria | cpe:2.3:a:cisco:duo_network_gateway:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.