CVE-2021-34371

high-risk
Published 2021-08-05

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.

Do I need to act?

!
64.9% chance of exploitation in next 30 days
EPSS score — higher than 35% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Neo4J

Affected Vendors

Neo4J

References (2)

Exploit https://www.exploit-db.com/exploits/50170
Exploit https://www.exploit-db.com/exploits/50170
56
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 19/34 · Moderate
Exposure 5/34 · Minimal