Medium severity · published Apr 13, 2023
CVE-2023-20863
In spring framework versions prior to 5.2.24 release+ ,5.3.27+ and 6.0.8+ , it is possible for a user to provide a specially crafted SpEL expression that may cause a…
6.5
CVSS
1.1%
EPSS
No
On KEV
Description
In spring framework versions prior to 5.2.24 release+ ,5.3.27+ and 6.0.8+ , it is possible for a user to provide a specially crafted SpEL expression that may cause a denial-of-service (DoS) condition.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SF
Spring Framework · Vmware
5.2.0 before 5.2.24; 5.3.0 before 5.3.27; 6.0.0 before 6.0.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-20863
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-20863
security.netapp.com
https://security.netapp.com/advisory/ntap-20240524-0015/
Vendor Advisory
https://spring.io/security/cve-2023-20863
More from Spring Framework
9.8
CVE-2022-22965
Spring Framework JDK 9+ Remote Code Execution Vulnerability
9.8
CVE-2026-59313
Server Sent Event stream corruption in Spring MVC functional web framework
9.8
CVE-2026-47892
Spring Framework Header Predicate Bypass in WebFlux Functional Endpoints
9.8
CVE-2026-47891
Spring Framework maxInMemorySize Bypassed in Jaxb2Decoder
9.8
CVE-2026-47890
Spring Framework Server Sent Event stream corruption while rendering fragments