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Fencer Intel
critical 9.8

CVE-2015-5377 in the critical feed json

Elasticsearch before 1.6.1 allows remote attackers to execute arbitrary code via unspecified vectors involving the transport protocol.

published 2018-03-06 8 y ago modified 2026-06-17 4 mo ago also EUVD-2015-5333

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
14.4%
EPSS 14.4% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

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

Patch / fix

  • elastic elasticsearch 1.6.1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-5377 updated cvss 3.3

elasticsearch: unspecified remote code execution vulnerability

  • Red Hat Satellite 6 elasticsearch Red Hat Subscription Asset Manager elasticsearch
    affected: workaround, no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

14.43% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.