CVE-2017-5638
CRITICAL severity · CVSS 9.8 · CWE-755 · actively exploited (CISA KEV)
9.8CVSS CRITICAL ● exploited ⚠ ransomware
🔴 Actively exploited in the wild (CISA Known Exploited Vulnerabilities).
⚠ Known use in ransomware campaigns. Added to KEV 2021-11-03. US federal agencies must patch by 2022-05-03.
Summary
The Jakarta Multipart parser in Apache Struts 2 2.3.x before 2.3.32 and 2.5.x before 2.5.10.1 has incorrect exception handling and error-message generation during file-upload attempts, which allows remote attackers to execute arbitrary commands via a crafted Content-Type, Content-Disposition, or Content-Length HTTP header, as exploited in the wild in March 2017 with a Content-Type header containing a #cmd= string.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)94%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.
Official patch: http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html ↗
Additional information
- NVD record
- http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.htmlPatch
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-002.txtAdvisory
- http://www.eweek.com/security/apache-struts-vulnerability-under-attack.htmlAdvisory
- http://www.securityfocus.com/bid/96729Advisory
- http://www.securitytracker.com/id/1037973Advisory
- http://blog.talosintelligence.com/2017/03/apache-0-day-exploited.htmlAdvisory
- http://blog.trendmicro.com/trendlabs-security-intelligence/cve-2017-5638-apache-struts-vulnerability-remote-code-execution/Advisory
- https://arstechnica.com/security/2017/03/critical-vulnerability-under-massive-attack-imperils-high-impact-sites/Exploit