CVE-2017-15715: apache software foundation apache http server Improper Input Validation
Vulnerability summary
CVE-2017-15715 is a high (CVSS 8.1) Improper Input Validation vulnerability in apache software foundation apache http server. EPSS estimates a 85.45% chance of exploitation in the next 30 days, higher than 99.7% of scored vulnerabilities.
Severe, CVSS 8.1 (NVD); no exploitation reported by the 5 checked sources; EPSS 85% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 11 · Related 6Timeline
- 26-03-2018PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated8.1HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated8.1HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.1HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
85.45%
Chance of exploitation in the next 30 days
Percentile
100%
Versus all other CVEs
30-day change
No change 0.00 pp
From 85.45% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Netapp4 products
Debian2 products
- apache2< 2.4.33-1
- debian_linuxEOL8.0 | 9.0
Alpine1 product
- apache2< 2.4.33-r0
Apache1 product
- http_server≥ 2.4.0, ≤ 2.4.29
Apache software foundation1 product
- apache http server2.4.0 to 2.4.29
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 17.10 | 18.04
Redhat1 product
- enterprise_linuxEOL6.0 | 7.0 | 7.4 | 7.5 | 7.6
Ubuntu1 product
- apache2< 2.4.7-1ubuntu4.20 | < 2.4.18-2ubuntu3.8 | < 2.4.29-1ubuntu4.1
8 vendors · 12 products
References
33 links- support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03909en_usX Refsource CONFIRMThird Party Advisory
Show all 33 references
- www.openwall.com/lists/oss-security/2018/03/24/6Mailing ListX Refsource MLISTThird Party AdvisoryREPORT
- www.tenable.com/security/tns-2019-09X Refsource CONFIRM