CVE-2006-1547

Apache Struts 1: ActionForm Denial-of-Service

As of , CVE-2006-1547 in Apache Struts 1 is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 21 January 2022
US federal deadline
21 July 2022181 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.55Higher than 98% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
Not availableCISA listed it before 4 February 2022, where the EPSS files we read begin.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
No vendor link in CISA's entry

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

ActionForm in Apache Struts versions before 1.2.9 with BeanUtils 1.7 contains a vulnerability that allows for denial-of-service (DoS).

CISA's 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.

The CVE record's description, from redhat

CVE published
30 March 2006
Assigned by
redhat
CVSS
7.5 High (CVSS 3.1, from CISA-ADP)
CWE-749
Exposed Dangerous Method or Function
CISA SSVC, exploitation
active
CISA SSVC, automatable
yes
CISA SSVC, technical impact
partial

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

Struts 1: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2017-9791Improper Input ValidationApache Struts 1Patch this weekMetasploit module; EPSS 0.99; verified Exploit-DB entry0.99

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