🛡️ CVE-2017-3203 — spring-flex

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-502 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Deserialization of Untrusted Data in Spring-flex

The Java implementations of AMF3 deserializers in Pivotal/Spring Spring-flex derive class instances from java.io.Externalizable rather than the AMF3 specification's recommendation of flash.utils.IExternalizable. A remote attacker with the ability to spoof or control an RMI server connection may be able to send serialized Java objects that execute arbitrary code when deserialized.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2017-3203 is classified as CWE-502: Deserialization of Untrusted Data. Serialised data from an untrusted source is reconstructed into objects, which can trigger code during the process.

Affected software

CVE-2017-3203 is recorded against 1 package.

  • org.springframework.flex:spring-flex

Timeline and source

Published on 13 May 2022 and last revised on 8 November 2023. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
codewhitesec.blogspot.com (Web)
www.kb.cert.org (Web)
www.securityweek.com (Web)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-502
Public Exploit ✅ No
Source OSV
Published 2022-05-13
Updated 2026-08-12
Modified 2023-11-08
Fix URL N/A

Affected Packages

Software From version Fixed in
org.springframework.flex:spring-flex — —

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