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How Snyk Social Trends help you fix essential security vulnerabilities

ID: 4026debd-b341-5d92-bad2-c837c2cd413a

STIX ID: report--4026debd-b341-5d92-bad2-c837c2cd413a

Feed Name: Snyk Blog

Threat Score
55/100

Date Published: 2021-08-18

Date Updated: 2026-09-16

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Snyk describes a social-trends feature that highlights trending vulnerabilities and uses CVE-2020-9484 — an RCE in Apache Tomcat (including embedded Spring Boot Tomcat) caused by deserializing session files via a path-traversal-controlled JSESSIONID and FileStore-backed PersistentManager — as an example; the article explains the exploit mechanics, prerequisites (PersistentManager+FileStore enabled, arbitrary file upload, a deserialization gadget on classpath), points to a public PoC, and recommends prioritizing fixes and updates.

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