CVE-2017-5638

CRITICALCVSS 9.8/10Actively ExploitedEPSS 100.00%

Last modified

CVE-2017-5638 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. CISA has confirmed active exploitation in the wild. EPSS estimates a 100.00% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
100.00%

100.0th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .

Weakness Enumeration

Affected Software

VendorProductVersions
ApacheStruts>= 2.2.3, < 2.3.32
ApacheStruts>= 2.5.0, < 2.5.10.1
IbmStorwize V3500 Firmware7.7.1.6
IbmStorwize V3500 Firmware7.8.1.0
IbmStorwize V5000 Firmware7.7.1.6
IbmStorwize V5000 Firmware7.8.1.0
IbmStorwize V7000 Firmware7.7.1.6
IbmStorwize V7000 Firmware7.8.1.0
LenovoStorage V5030 Firmware7.7.1.6
LenovoStorage V5030 Firmware7.8.1.0
HpServer Automation9.1.0
HpServer Automation10.0.0
HpServer Automation10.1.0
HpServer Automation10.2.0
HpServer Automation10.5.0
OracleWeblogic Server10.3.6.0.0
OracleWeblogic Server12.1.3.0.0
OracleWeblogic Server12.2.1.1.0
OracleWeblogic Server12.2.1.2.0
ArubanetworksClearpass Policy Manager< 6.6.5
NetappOncommand BalanceAll versions

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2017-5638?
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.
How severe is CVE-2017-5638?
CVE-2017-5638 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 100.00% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2017-5638?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-5638?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST