CVE-2006-1547
HighExploitedPublic exploitImproper Input Validation in Apache Struts
Published May 1, 2022 · Updated Oct 22, 2025 · Also known as GHSA-7qwv-cwgj-c8rj
Key Facts
Patch immediately- CVE-2006-1547 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Struts (Apache), struts:struts (maven).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jan 21, 2022. Public exploit code is available.
- EPSS estimates a 55% probability of exploitation in the next 30 days.
- Fixed versions are available, including Struts 1.2.9, struts:struts 1.2.9.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (30-day exploit likelihood)
55%
Higher than 99.0% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2006-1547 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Jan 21, 2022 | Jul 21, 2022 | Not reported |
| Industry KEV feed | Jan 21, 2022 | Jul 21, 2022 | Not reported |
| CIRCL KEV | Jan 21, 2022 | Jul 21, 2022 | Not reported |
| ENISA EUVD | Jan 21, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| StrutsApache | See advisory | 1.2.9 |
| struts:strutsmaven | See advisory | 1.2.9 |
Patched Releases
Struts
1.2.9
struts:struts
1.2.9
Timeline
Added to CISA KEV
Jan 21, 2022
Added to Industry KEV feed
Jan 21, 2022
Added to CIRCL KEV
Jan 21, 2022
Added to ENISA EUVD
Jan 21, 2022
Publicly disclosed
May 1, 2022
Last updated
Oct 22, 2025
Weakness Type
- CWE-20 Improper Input Validation
- CWE-749 Exposed Dangerous Method or Function
References
- advisoryRHSA-2006:0281
- advisoryGHSA advisory
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2006-1547
- advisory17342
- exploitVulnCheck exploitation report
FAQ
Common Questions.
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 CommonsM…
Affected: Struts (Apache); struts:struts (maven). The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jan 21, 2022.
Yes. It was added on Jan 21, 2022 with a federal remediation due date of Jul 21, 2022.
Public exploit code is available.
Fixed versions are available, including Struts 1.2.9, struts:struts 1.2.9.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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