7.5

CVE-2016-4431: apache struts Improper Input Validation

CVSS: 7.5v3.0HighModified
AliasesGHSA-vq79-mgpx-2wx4
Published 04-07-2016Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2016-4431 is a high (CVSS 7.5) Improper Input Validation vulnerability in apache struts. EPSS estimates a 9.75% chance of exploitation in the next 30 days, higher than 95.4% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
9.75%
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. 04-07-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Apache Struts 2 2.3.20 through 2.3.28.1 allows remote attackers to bypass intended access restrictions and conduct redirection attacks by leveraging a default method.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

9.75%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

0.00 pp

From 9.75% on 18-09-2026

18-09-202618-10-2026
EPSS score
9.75%

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
Org.apache.struts1 product
  • struts-parent≥ 2.3.20, < 2.3.29

2 vendors · 2 products

References

12 links
Show all 12 references