High 8.7HealthcarePublished Sep 18, 2020

CVE-2020-5421RFD Protection Bypass via jsessionid

Updated under an hour ago (Oct 27, 2026, 7:20 PM ET)

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It affects Spring by VMware Spring Framework and 38 other products. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 11.56%, higher than 96% of scored CVEs. That is high: schedule it on your emergency patch path.

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Every CVE for Spring by VMware Spring Framework

Exploited in the last 30 days

In Spring Framework versions 5.2.0 - 5.2.8, 5.1.0 - 5.1.17, 5.0.0 - 5.0.18, 4.3.0 - 4.3.28, and older unsupported versions, the protections against RFD attacks from CVE-2015-5211 may be bypassed depending on the browser used through the use of a jsessionid path parameter.

CVSS: 8.7 HIGH (v3.0, CNA)CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Weakness (CWE): CWE-020
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 11.56% (percentile 96)
Assigned by: pivotal
NVD analysis: Modified
Record last updated: Oct 8, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Spring by VMware Spring Framework spring_by_vmware:spring_framework (from the name)	from 4.3 before 4.3.29; from 5.0 before 5.0.19; from 5.1 before 5.1.18; from 5.2 before 5.2.9	CNA record
vmware spring_framework vmware:spring_framework	before 4.3.29; from 5.0.0 before 5.0.19; from 5.1.0 before 5.1.18; from 5.2.0 before 5.2.9	NVD
oracle commerce_guided_search oracle:commerce_guided_search	11.3.2	NVD
oracle communications_brm oracle:communications_brm	11.3.0.9; 12.0.0.3	NVD
oracle communications_design_studio oracle:communications_design_studio	7.3.4; 7.3.5; 7.4.0	NVD
oracle communications_session_report_manager oracle:communications_session_report_manager	from 8.2.1 through 8.2.2.1	NVD
oracle communications_unified_inventory_management oracle:communications_unified_inventory_management	7.3.4; 7.3.5	NVD
oracle endeca_information_discovery_integrator oracle:endeca_information_discovery_integrator	3.2.0	NVD
oracle enterprise_data_quality oracle:enterprise_data_quality	12.2.1.3.0; 12.2.1.4.0	NVD
oracle financial_services_analytical_applications_infrastructure oracle:financial_services_analytical_applications_infrastructure	from 8.0.6 through 8.1.0	NVD
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References

References

https://tanzu.vmware.com/security/cve-2020-5421	x-refsource-confirm, vendor-advisory
https://lists.apache.org/thread.html/re014a49d77f038ba70e5e9934d400af6653e8c9ac110d32b1254127e%40%3Cdev.ranger.apache.org%3E	mailing-list, x-refsource-mlist
https://lists.apache.org/thread.html/r1eccdbd7986618a7319ee7a533bd9d9bf6e8678e59dd4cca9b5b2d7a%40%3Cissues.ambari.apache.org%3E	mailing-list, x-refsource-mlist
https://lists.apache.org/thread.html/r9f13cccb214495e14648d2c9b8f2c6072fd5219e74502dd35ede81e1%40%3Cdev.ambari.apache.org%3E	mailing-list, x-refsource-mlist
https://lists.apache.org/thread.html/r8b496b1743d128e6861ee0ed3c3c48cc56c505b38f84fa5baf7ae33a%40%3Cdev.ambari.apache.org%3E	mailing-list, x-refsource-mlist
https://lists.apache.org/thread.html/r1c679c43fa4f7846d748a937955c7921436d1b315445978254442163%40%3Ccommits.ambari.apache.org%3E	mailing-list, x-refsource-mlist
https://lists.apache.org/thread.html/r5c95eff679dfc642e9e4ab5ac6d202248a59cb1e9457cfbe8b729ac5%40%3Cissues.ambari.apache.org%3E	mailing-list, x-refsource-mlist
https://lists.apache.org/thread.html/rf00d8f4101a1c1ea4de6ea1e09ddf7472cfd306745c90d6da87ae074%40%3Cdev.hive.apache.org%3E	mailing-list, x-refsource-mlist
https://lists.apache.org/thread.html/rc9efaf6db98bee19db1bc911d0fa442287dac5cb229d4aaa08b6a13d%40%3Cissues.hive.apache.org%3E	mailing-list, x-refsource-mlist
https://lists.apache.org/thread.html/r7e6a213eea7f04fc6d9e3bd6eb8d68c4df92a22e956e95cb2c482865%40%3Cissues.hive.apache.org%3E	mailing-list, x-refsource-mlist
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The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.