Improper input validation in Apache HTTP Server

CVE-2017-15715

In Apache httpd 2.4.0 to 2.4.29, the expression specified in <FilesMatch> could match '$' to a newline character in a malicious filename, rather than matching only the end of the filename. This could be exploited in environments where uploads of some files are are externally blocked, but only by matching the trailing portion of the filename.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.855 (99.7th percentile), scored .

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-15715: rose from 0.762 to 0.855.

EPSS over last 30 days · oldest: 0.762 · newest: 0.855 · change: +0.092

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-15715?
CVE-2017-15715 is a high-severity vulnerability in Apache HTTP Server, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2018-03-26.
How severe is CVE-2017-15715?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2017-15715 known to be exploited?
74 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.