CVE-2017-4971

An issue was discovered in Pivotal Spring Web Flow through 2.4.4. Applications that do not change the value of the MvcViewFactoryCreator useSpringBinding property which is disabled by default (i.e., set to 'false') can be vulnerable to malicious EL expressions in view states that process form submissions but do not have a sub-element to declare explicit data binding property mappings.

Published: 2017-06-13 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-4971 is rated Moderate Risk (53.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 75.36%, 99th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. 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-2017-4971

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 2026-03-04 81.86% 75.36% -6.51%
2 2026-03-01 75.36% 81.86% +6.51%
3 2026-02-04 — 75.36% —

Full EPSS history (35 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-4971

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:H/A:N 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:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
 2.2 3.6 [email protected]
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N 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:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2017-4971

GitHub Security Advisory for CVE-2017-4971

GHSA-fg9w-cffm-pmh2 · Severity: medium · Ecosystem: maven — Insecure Default Initialization of Resource in Pivotal Spring Web Flow

OS Trackers for CVE-2017-4971

vendor priority summary link
redhat medium — https://access.redhat.com/security/cve/CVE-2017-4971

Affected software / configurations for CVE-2017-4971

Vendor Product Version Raw CPE
pivotal spring_web_flow 2.4.0 cpe:2.3:a:pivotal:spring_web_flow:2.4.0:*:*:*:*:*:*:*
pivotal spring_web_flow 2.4.1 cpe:2.3:a:pivotal:spring_web_flow:2.4.1:*:*:*:*:*:*:*
pivotal spring_web_flow 2.4.2 cpe:2.3:a:pivotal:spring_web_flow:2.4.2:*:*:*:*:*:*:*
pivotal spring_web_flow 2.4.4 cpe:2.3:a:pivotal:spring_web_flow:2.4.4:*:*:*:*:*:*:*

References for CVE-2017-4971

URL Tags
http://www.securityfocus.com/bid/98785 Third Party Advisory VDB Entry
https://jira.spring.io/browse/SWF-1700 Issue Tracking Patch
https://pivotal.io/security/cve-2017-4971 Mitigation Patch Vendor Advisory
cvelogic Threat Intelligence