CVE-2015-5377

highpriority · attend · 54EPSS 0.144 · 97 %ileexploit · PoCDEEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

14.4% (97th) EPSS

CVSS 7.5 · high

Is it mine?

6 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

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

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.09.3criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-74USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

fi3ro/CVE-2015-5377Java deserialization exploit for elasticsearch 1.5.2 CVE-2015-5377PoC · poc_in_github

affected products (6)

Products and version ranges known to be affected.

Juniper Junos Space Security Director <24.1R4all versionscert_bundDE
Open Source Elasticsearch <1.6.1all versionscert_bundDE
Juniper Junos Space≤ Security Director <24.1R4cert_bundDE
Open Source Elasticsearch< 1.6.1cert_bundDE
n/a n/a≤ n/aenisa_euvdEU
elastic elasticsearch< 1.6.1nvdUScpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-2234Elasticsearch: Mehrere Schwachstellen ermöglichen Codeausführung und die Offenlegung von InformationenDeutsch2015-07-16csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Elasticsearch ausnutzen, um beliebigen Programmcode auszuführen und Informationen offenzulegen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2018-03-06modified 2026-06-17

related (5,984)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2025-20337US	—OT critical	74.5% (99th)	KEV	2025-07-16
A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to execute arbitrary code on the underlying operating system as roo…
CVE-2025-20281US	—OT critical	97.6% (100th)	KEV	2025-06-25
A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to execute arbitrary code on the underlying operating system as roo…
CVE-2023-22527US	critical9.8OT critical	100.0% (100th)	KEV	2024-01-16
A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. Customers using…
CVE-2023-48365US	critical9.9OT critical	47.7% (99th)	KEV	2023-11-15
Qlik Sense Enterprise for Windows before August 2023 Patch 2 allows unauthenticated remote code execution, aka QB-21683. Due to improper validation of HTTP headers, a remote attack…
CVE-2023-37580US	medium6.1OT critical	49.1% (99th)	KEV	2023-07-31
Zimbra Collaboration (ZCS) 8 before 8.8.15 Patch 41 allows XSS in the Zimbra Classic Web Client.

+5979 more

references (12)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan