5.9

CVE-2016-8738: apache software foundation apache struts Improper Input Validation

CVSS: 5.9v3.0MediumModified
AliasesGHSA-86vq-8qhc-5rqw
Published 20-09-2017Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2016-8738 is a medium (CVSS 5.9) Improper Input Validation vulnerability in apache software foundation apache struts. EPSS estimates a 3.26% chance of exploitation in the next 30 days, higher than 88.1% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v3.0 (NVD)
EPSS score
3.26%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 20-09-2017
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

In Apache Struts 2.5 through 2.5.5, if an application allows entering a URL in a form field and the built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

3.26%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

0.00 pp

From 3.26% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.26%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Apache1 product
  • strutsEOL2.5 | 2.5.1 | 2.5.2 | 2.5.3 | 2.5.4 | 2.5.5
Apache software foundation1 product
Org.apache.struts1 product
  • struts2-core≥ 2.5.0, < 2.5.13

3 vendors · 3 products

References

7 links