CVE-2017-3203 is a critical deserialization vulnerability affecting Pivotal/Spring Spring-flex, where Java AMF3 deserializers incorrectly use java.io.Externalizable instead of flash.utils.IExternalizable. This flaw allows a remote attacker to execute arbitrary code by sending specially crafted serialized Java objects, provided they can spoof or control an RMI server connection. Rated with a CVSS score of 8.1 (HIGH), the vulnerability has a high impact on confidentiality, integrity, and availability, with high attack complexity. Despite its severity, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:a:pivotal:spring-flex:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.