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CVE-2016-4461: apache struts Improper Input Validation

CVSS: 9.0v2.0HighModified
AliasesGHSA-864w-r5qj-h6fj
Published 16-10-2017Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2016-4461 is a high (CVSS 9.0) Improper Input Validation vulnerability in apache struts. EPSS estimates a 8.09% chance of exploitation in the next 30 days, higher than 94.7% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.0/10
010
High · v2.0 (NVD)
EPSS score
8.09%
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. 16-10-2017
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Apache Struts 2.x before 2.3.29 allows remote attackers to execute arbitrary code via a "%{}" sequence in a tag attribute, aka forced double OGNL evaluation. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-0785.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

8.09%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

0.00 pp

From 8.09% on 18-09-2026

18-09-202618-10-2026
EPSS score
8.09%

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
Netapp1 product
Org.apache.struts1 product
  • struts2-core≥ 2.0.0, < 2.3.29

3 vendors · 3 products

References

6 links