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.

Published: 2017-07-13 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-7672 is rated Moderate Risk (61.8/100): CVSS Medium severity, with high exploitation likelihood (EPSS 9.36%, 95th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +8.02% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2017-7672

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.35% 9.36% +8.02%
2 2026-03-17 1.90% 1.35% -0.56%
3 2026-03-04 — 1.90% —

Full EPSS history (18 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-7672

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.9 3.0 MEDIUM
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.2 3.6 [email protected]
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2017-7672

GitHub Security Advisory for CVE-2017-7672

GHSA-9gp7-jvm2-r4mx · Severity: medium · Ecosystem: maven — Apache Struts Improper Input Validation vulnerability

OS Trackers for CVE-2017-7672

vendor priority summary link
redhat low — https://access.redhat.com/security/cve/CVE-2017-7672
ubuntu medium CVE-2017-7672 medium priority: Ubuntu including 1 source packages (libstruts1.2-java), 5 status rows across 5 suites (trusty, upstream, xenial, yakkety, zesty): DNE 4, not-affected 1. https://ubuntu.com/security/CVE-2017-7672

Affected software / configurations for CVE-2017-7672

Vendor Product Version Raw CPE
apache struts 2.5 cpe:2.3:a:apache:struts:2.5:*:*:*:*:*:*:*
apache struts 2.5.1 cpe:2.3:a:apache:struts:2.5.1:*:*:*:*:*:*:*
apache struts 2.5.2 cpe:2.3:a:apache:struts:2.5.2:*:*:*:*:*:*:*
apache struts 2.5.5 cpe:2.3:a:apache:struts:2.5.5:*:*:*:*:*:*:*
apache struts 2.5.8 cpe:2.3:a:apache:struts:2.5.8:*:*:*:*:*:*:*
apache struts 2.5.10 cpe:2.3:a:apache:struts:2.5.10:*:*:*:*:*:*:*
apache struts 2.5.10.1 cpe:2.3:a:apache:struts:2.5.10.1:*:*:*:*:*:*:*

References for CVE-2017-7672

cvelogic Threat Intelligence