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Fencer Vulns
high 7.5

CVE-2006-1547 kev in the critical feed json

Improper Input Validation in Apache Struts

published 2006-03-30 20 y ago modified 2026-06-16 4 mo ago also GHSA-7qwv-cwgj-c8rj , EUVD-2022-3054

cvss
7.5
version 3.1, CNA
cisa kev
Exploited
added 2022-01-21
epss
54.6%
EPSS 54.6% chance of exploitation in 30 days, percentile 99%
public exploits
0
none known

Summary

ActionForm in Apache Software Foundation (ASF) Struts before 1.2.9 with BeanUtils 1.7 allows remote attackers to cause a denial of service via a multipart/form-data encoded form with a parameter name that references the public getMultipartRequestHandler method, which provides further access to elements in the CommonsMultipartRequestHandler implementation and BeanUtils.

Patch / fix

cisa required action Apply updates per vendor instructions.

  • maven struts:struts 1.2.9
  • apache struts 1.2.9

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2006-1547 updated

security flaw

  • Red Hat Application Server 3AS Red Hat Application Server v2 4AS
    fixed: vendor fix RHSA-2006:0281

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Published
  2. Added to CISA KEV
  3. CISA patch deadline
  4. CISA SSVC: exploitation active

Known exploited

Added
4 y ago
Patch by
2022-07-21 (4 y ago)
Ransomware
Not known
Required action
Apply updates per vendor instructions.
Vendor, product
Apache, Struts 1
CISA name
Apache Struts 1 ActionForm Denial-of-Service Vulnerability

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
yes
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

54.63% chance of exploitation in the next 30 days, higher than 99% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • struts.apache.org http://struts.apache.org/struts-doc-1.2.9/userGuide/release-notes.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 7.8 AV:N/AC:L/Au:N/C:N/I:N/A:C
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:H

Affected packages

ecosystem package affected fixed in
maven struts:struts
<1.2.9
1.2.9

Classification

Weakness
  • CWE-749 Exposed Dangerous Method or Function
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.