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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.014 (71.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.ptsecurity.com/ww-en/analytics/threatscape/pt-2018-34/ (Third Party Advisory)
- s3browser.com/news.aspx (Release Notes, Vendor Advisory)
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.