CVE-2018-16621

HIGH

Sonatype Nexus Repository Manager <3.14 - Code Injection

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-16621. PoCs published by Loucy1231.

AI-analyzed exploit summary This PoC exploits CVE-2018-16621, a Spring EL injection vulnerability in Nexus Repository Manager 3, to achieve remote code execution (RCE) via a reverse shell. It automates the login process, constructs a malicious payload using BCEL (Byte Code Engineering Library), and triggers the exploit to gain a shell on the target system.

Description

Sonatype Nexus Repository Manager before 3.14 allows Java Expression Language Injection.

Exploits (1)

nomisec WORKING POC
by Loucy1231 · poc
https://github.com/Loucy1231/Nexus-Repository-Manager3-EL-CVE-2018-16621-https-www.cve.org-CVERecord-id-CVE-2018-16621-

This PoC exploits CVE-2018-16621, a Spring EL injection vulnerability in Nexus Repository Manager 3, to achieve remote code execution (RCE) via a reverse shell. It automates the login process, constructs a malicious payload using BCEL (Byte Code Engineering Library), and triggers the exploit to gain a shell on the target system.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Nexus Repository Manager 3
Auth required
Prerequisites: Target IP and port · Attacker's listening IP and port · Valid credentials for Nexus Repository Manager 3
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 7.2
EPSS 0.0175
EPSS Percentile 74.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-917
Status published
Products (1)
sonatype/nexus_repository_manager < 3.14.0
Published Nov 15, 2018
Tracked Since Feb 18, 2026