Vulnerability in Apache HTTP Server
CVE-2019-0220
A vulnerability was found in Apache HTTP Server 2.4.0 to 2.4.38. When the path component of a request URL contains multiple consecutive slashes ('/'), directives such as LocationMatch and RewriteRule must account for duplicates in regular expressions while other aspects of the servers processing will implicitly collapse them.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.180 (97.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.185 · newest: 0.180 · change: -0.005
Affected products
- Apache HTTP Server
- Apache Software Foundation HTTP Server — versions 2.4.0 to 2.4.38
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0, 9.0
- Fedoraproject Fedora — versions 28, 29, 30
- openSUSE Leap — versions 15.0, 42.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2019/04/02/6 (mailing-list, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/107670 (VDB Entry, Third Party Advisory, vdb-entry)
- seclists.org/bugtraq/2019/Apr/5 (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/04/msg00008.html (mailing-list, Mailing List, Third Party Advisory)
- usn.ubuntu.com/3937-1/ (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.debian.org/security/2019/dsa-4422 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00051.html (vendor-advisory, Patch, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00061.html (vendor-advisory, Patch, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-0220?
- CVE-2019-0220 is a medium-severity vulnerability in Apache HTTP Server, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 5.3/10. Published 2019-06-11.
- How severe is CVE-2019-0220?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2019-0220 known to be exploited?
- 24 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.