CVE-2017-7672
CVE-2017-7672 is a medium-severity vulnerability in Apache Struts with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.
Key facts
- Severity: Medium (CVSS 3.x base score 5.9)
- CVSS v2: 4.3
- EPSS exploit prediction: 9% (95th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-20
- Affected product: Apache Struts
- Published:
- Last modified:
Description
If an application allows enter an URL in a form field and built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL. Solution is to upgrade to Apache Struts version 2.5.12.
Frequently asked questions
- What is CVE-2017-7672?
- If an application allows enter an URL in a form field and built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL. Solution is to upgrade to Apache Struts version 2.5.12.
- How severe is CVE-2017-7672?
- CVE-2017-7672 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2017-7672 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-7672?
- CVE-2017-7672 primarily affects Apache Struts. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2017-7672?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2017-7672 published?
- CVE-2017-7672 was published on 2017-07-13 and last updated on 2026-06-17.
References
- http://struts.apache.org/docs/s2-047.html
- http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html
- http://www.securityfocus.com/bid/99563
- http://www.securitytracker.com/id/1039114
- https://lists.apache.org/thread.html/3795c4dd46d9ec75f4a6eb9eca11c11edd3e796c6c1fd7b17b5dc50d%40%3Cannouncements.struts.apache.org%3E
- https://security.netapp.com/advisory/ntap-20180706-0002/
Affected products (7)
- cpe:2.3:a:apache:struts:2.5:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.5.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.5.5:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.5.8:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.5.10:*:*:*:*:*:*:*
- cpe:2.3:a:apache:struts:2.5.10.1:*:*:*:*:*:*:*
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