How severe is CVE-2017-4971?

CVE-2017-4971 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 high, and availability none.

Is CVE-2017-4971 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-4971?

CVE-2017-4971 primarily affects Pivotal Spring Web Flow. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-4971?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-4971 published?

CVE-2017-4971 was published on 2017-06-13 and last updated on 2026-06-17.

CVE-2017-4971

CVE-2017-4971 is a medium-severity vulnerability in Pivotal Spring Web Flow with a CVSS 3.x base score of 5.9. Its EPSS exploit-prediction score of 16% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-1188.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 16% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1188
Affected product: Pivotal Spring Web Flow
Published: 2017-06-13
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2017-4971?: CVE-2017-4971 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 high, and availability none.
Is CVE-2017-4971 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-4971?: CVE-2017-4971 primarily affects Pivotal Spring Web Flow. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-4971?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-4971 published?: CVE-2017-4971 was published on 2017-06-13 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:pivotal:spring_web_flow:2.4.0:*:*:*:*:*:*:*
cpe:2.3:a:pivotal:spring_web_flow:2.4.1:*:*:*:*:*:*:*
cpe:2.3:a:pivotal:spring_web_flow:2.4.2:*:*:*:*:*:*:*
cpe:2.3:a:pivotal:spring_web_flow:2.4.4:*:*:*:*:*:*:*

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