Path Traversal in Red Hat Jboss Core Services Httpd
CVE-2021-3688
A flaw was found in Red Hat JBoss Core Services HTTP Server in all versions, where it does not properly normalize the path component of a request URL contains dot-dot-semicolon(s). This flaw could allow an attacker to access unauthorized information or possibly conduct further attacks. The highest threat from this vulnerability is to data confidentiality and integrity.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (44.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.000
Affected products
- Red Hat Jboss Core Services Httpd — versions 2.4.37
- Red Hat Jbcs HTTP Server — versions Fixed in jbcs-httpd-2.4.37.SP10 GA
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking, Vendor Advisory)
- access.redhat.com/security/cve/CVE-2021-3688 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-3688?
- CVE-2021-3688 is a medium-severity vulnerability in Red Hat Jboss Core Services Httpd, classified under Information Disclosure. CVSS score: 4.8/10. Published 2022-08-26.
- How severe is CVE-2021-3688?
- Medium severity. CVSS v3 base score is 4.8 out of 10.