CVE-2017-9785 is a critical remote code execution vulnerability affecting NancyFX Nancy versions prior to 1.4.4 and 2.x before 2.0-dangermouse. It stems from insecure deserialization of JSON data within a CSRF cookie, allowing unauthenticated attackers to execute arbitrary code. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While not listed in CISA KEV and lacking public exploit code, its high FAUCET Risk Score and mention in media coverage highlight its significant potential impact.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.4.3CPE matchmatch criteria | cpe:2.3:a:nancyfx:nancy:*:*:*:*:*:*:*:* | ||
2.0.0CPE matchmatch criteria | cpe:2.3:a:nancyfx:nancy:2.0.0:alpha:*:*:*:*:*:* | ||
2.0.0CPE matchmatch criteria | cpe:2.3:a:nancyfx:nancy:2.0.0:barneyrubble:*:*:*:*:*:* | ||
2.0.0CPE matchmatch criteria | cpe:2.3:a:nancyfx:nancy:2.0.0:clinteastwood:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.