XXE in S3browser S3_browser

CVE-2018-20298

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.

Vulnerability class: XXE (XML External Entity)

EPSS: 0.014 (69.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-20298?
CVE-2018-20298 is a medium-severity vulnerability in S3browser S3_browser, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 6.5/10. Published 2018-12-19.
How severe is CVE-2018-20298?
Medium severity. CVSS v3 base score is 6.5 out of 10.