CVE-2015-5377

CRITICAL

Elasticsearch < 1.6.1 - Remote Code Execution via Transport Protocol

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2015-5377. PoCs published by fi3ro.

AI-analyzed exploit summary This exploit targets CVE-2015-5377, a deserialization vulnerability in Elasticsearch 1.5.2. It crafts a malicious serialized payload to achieve remote code execution by sending a specially crafted UDP packet to the target.

Description

Elasticsearch before 1.6.1 allows remote attackers to execute arbitrary code via unspecified vectors involving the transport protocol. NOTE: ZDI appears to claim that CVE-2015-3253 and CVE-2015-5377 are the same vulnerability

Exploits (1)

nomisec WORKING POC 3 stars
by fi3ro · poc
https://github.com/fi3ro/CVE-2015-5377

This exploit targets CVE-2015-5377, a deserialization vulnerability in Elasticsearch 1.5.2. It crafts a malicious serialized payload to achieve remote code execution by sending a specially crafted UDP packet to the target.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Elasticsearch 1.5.2
No auth needed
Prerequisites: Network access to the target's UDP port (54328) · Target running Elasticsearch 1.5.2
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/75938
Third Party Advisory, VDB Entry x_refsource_misc
http://www.zerodayinitiative.com/advisories/ZDI-15-365/

Scores

CVSS v3 9.8
EPSS 0.3990
EPSS Percentile 97.4%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-74
Status published
Products (1)
elastic/elasticsearch < 1.6.1
Published Mar 06, 2018
Tracked Since Feb 18, 2026