Vulnerability · Published Aug 5, 2021 · Assigned by mitre
CVE-2021-34371
Critical 9.8
In plain English
A critical-severity security flaw in the org.neo4j:neo4j package (Maven). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 13.4% (higher than 96% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)13.4%top 3.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC
Official description
Neo4j through 3.4.18 (with the shell server enabled) exposes an RMI service that arbitrarily deserializes Java objects, e.g., through setSessionVariable. An attacker can abuse this for remote code execution because there are dependencies with exploitable gadget chains.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.neo4j:neo4j | 3.5.0 | GHSA-pc4w-8v5j-29w9 |
Affected products (as reported)
References
- https://www.exploit-db.com/exploits/50170 x_refsource_MISC