8.1

CVE-2017-15715: apache software foundation apache http server Improper Input Validation

Modified
AliasesALPINE-CVE-2017-15715UBUNTU-CVE-2017-15715DEBIAN-CVE-2017-15715
Published 26-03-2018Last modified 17-09-2024

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.

Priority
Prioritisesevere

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?
CVSS score
8.1/10
010
High · v3.0 (NVD)
EPSS score
85.45%
0%100%
Critical · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 11 · Related 6

Timeline

  1. 26-03-2018
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last 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

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

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Netapp4 products
Debian2 products
Alpine1 product
  • apache2< 2.4.33-r0
Apache1 product
Apache software foundation1 product
Canonical1 product
Redhat1 product
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
Show all 33 references