How severe is CVE-2020-5397?

CVE-2020-5397 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2020-5397 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5397?

CVE-2020-5397 primarily affects Vmware Spring Framework. In total, 51 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-5397?

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

When was CVE-2020-5397 published?

CVE-2020-5397 was published on 2020-01-17 and last updated on 2026-06-17.

CVE-2020-5397

CVE-2020-5397 is a medium-severity vulnerability in Vmware Spring Framework with a CVSS 3.x base score of 5.3. 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 2.6
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Vmware Spring Framework
Published: 2020-01-17
Last modified: 2026-06-17

Description

Spring Framework, versions 5.2.x prior to 5.2.3 are vulnerable to CSRF attacks through CORS preflight requests that target Spring MVC (spring-webmvc module) or Spring WebFlux (spring-webflux module) endpoints. Only non-authenticated endpoints are vulnerable because preflight requests should not include credentials and therefore requests should fail authentication. However a notable exception to this are Chrome based browsers when using client certificates for authentication since Chrome sends TLS client certificates in CORS preflight requests in violation of spec requirements. No HTTP body can be sent or received as a result of this attack.

Frequently asked questions

What is CVE-2020-5397?: Spring Framework, versions 5.2.x prior to 5.2.3 are vulnerable to CSRF attacks through CORS preflight requests that target Spring MVC (spring-webmvc module) or Spring WebFlux (spring-webflux module) endpoints. Only non-authenticated endpoints are vulnerable because preflight requests should not include credentials and therefore requests should fail authentication. However a notable exception to this are Chrome based browsers when using client certificates for authentication since Chrome sends TLS client certificates in CORS preflight requests in violation of spec requirements. No HTTP body can be sent or received as a result of this attack.
How severe is CVE-2020-5397?: CVE-2020-5397 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2020-5397 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5397?: CVE-2020-5397 primarily affects Vmware Spring Framework. In total, 51 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-5397?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-5397 published?: CVE-2020-5397 was published on 2020-01-17 and last updated on 2026-06-17.

References

Affected products (51)

cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:application_testing_suite:13.3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_brm_-_elastic_charging_engine:11.3:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_brm_-_elastic_charging_engine:12.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_element_manager:8.1.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_element_manager:8.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_element_manager:8.2.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_policy_management:12.5.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_session_route_manager:8.1.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_session_route_manager:8.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_session_route_manager:8.2.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:enterprise_manager_base_platform:13.2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_regulatory_reporting_with_agilereporter:8.0.9.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:flexcube_private_banking:12.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:flexcube_private_banking:12.1.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:healthcare_master_person_index:4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:insurance_calculation_engine:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:insurance_policy_administration_j2ee:10.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:insurance_policy_administration_j2ee:10.2.4:*:*:*:*:*:*:*
cpe:2.3:a:oracle:insurance_policy_administration_j2ee:11.0.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:insurance_policy_administration_j2ee:11.1.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:insurance_policy_administration_j2ee:11.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:insurance_rules_palette:10.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:insurance_rules_palette:10.2.4:*:*:*:*:*:*:*
cpe:2.3:a:oracle:insurance_rules_palette:11.0.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:insurance_rules_palette:11.1.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:insurance_rules_palette:11.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_enterprise_monitor:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:rapid_planning:12.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:rapid_planning:12.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_assortment_planning:15.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_assortment_planning:16.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_back_office:14.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_central_office:14.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_financial_integration:15.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_financial_integration:16.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_integration_bus:15.0.3:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_integration_bus:16.0.3:*:*:*:*:*:*:*
cpe:2.3:a:oracle:retail_order_broker:15.0:*:*:*:*:*:*:*

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