CVE-2019-9874 is a critical deserialization of untrusted data vulnerability affecting Sitecore CMS versions 7.0-7.2 and Sitecore XP versions 7.5-8.2. An unauthenticated attacker can exploit this by sending a serialized .NET object in the __CSRFTOKEN HTTP POST parameter, leading to arbitrary code execution. With a CVSS score of 9.8 (Critical) and a FAUCET Risk Score of 100/100, this vulnerability is easily exploitable over the network with low attack complexity, resulting in complete compromise of confidentiality, integrity, and availability. This CVE is actively exploited in the wild, as confirmed by its presence in the KEV catalog, and has publicly available Nuclei templates for detection, indicating significant community awareness despite limited media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 7.0, <= 7.2CPE matchmatch criteria | cpe:2.3:a:sitecore:cms:*:*:*:*:*:*:*:* | ||
>= 7.5, <= 8.2CPE matchmatch criteria | cpe:2.3:a:sitecore:experience_platform:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/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.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.