5.3

CVE-2016-4465: apache struts Improper Input Validation

CVSS: 5.3v3.0MediumModified
AliasesGHSA-xg75-68x3-7p3q
Published 04-07-2016Last modified 06-08-2024

Vulnerability summary

CVE-2016-4465 is a medium (CVSS 5.3) Improper Input Validation vulnerability in apache struts. EPSS estimates a 10.37% chance of exploitation in the next 30 days, higher than 95.6% of scored vulnerabilities.

Overall risk
23/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.0 (NVD)
EPSS score
10.37%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 04-07-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The URLValidator class in Apache Struts 2 2.3.20 through 2.3.28.1 and 2.5.x before 2.5.1 allows remote attackers to cause a denial of service via a null value for a URL field.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

10.37%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

0.00 pp

From 10.37% on 18-09-2026

18-09-202618-10-2026
EPSS score
10.37%

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
  • strutsEOL2.3.20 | 2.3.20.1 | 2.3.20.3 | 2.3.24 | 2.3.24.1 | 2.3.24.3 | 2.3.28 | 2.3.28.1 | 2.5 | 2.5:beta1 | 2.5:beta2 | 2.5:beta3
Org.apache.struts1 product
  • struts2-core≥ 2.3.20, < 2.3.29 | ≥ 2.5.0, < 2.5.13

2 vendors · 2 products

References

11 links
Show all 11 references