VULNERABILITY INTELLIGENCE

CVE-2018-20298

CVSS score6.5 MEDIUM

EPSS probability1.40%

CISA KEVNot currently listed

Published2018-12-19

Last modified2026-06-17

CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Description

S3 Browser before 8.1.5 contains an XML external entity (XXE) vulnerability, allowing remote attackers to read arbitrary files and obtain NTLMv2 hash values by tricking a user into connecting to a malicious server via the S3 protocol.

Weakness classification

CWE-611: Improper Restriction of XML External Entity Reference

Primary references

cve@mitre.org — Release Notes, Vendor Advisory
cve@mitre.org — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory