Vulnerability · Published Apr 13, 2023 · Assigned by vmware
CVE-2023-20863
Medium 6.5
In plain English
A medium-severity uncontrolled resource consumption in Spring Framework. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 66% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.1%top 33.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libspring-java | no fix listed | DEBIAN-CVE-2023-20863 |
| Debian:13 | libspring-java | no fix listed | DEBIAN-CVE-2023-20863 |
| Debian:14 | libspring-java | no fix listed | DEBIAN-CVE-2023-20863 |
| Maven | org.springframework:spring-expression | 6.0.8 | GHSA-wxqc-pxw9-g2p8 |
| Maven | org.springframework:spring-expression | 5.3.27 | GHSA-wxqc-pxw9-g2p8 |
| Maven | org.springframework:spring-expression | 5.2.24.RELEASE | GHSA-wxqc-pxw9-g2p8 |
| Ubuntu:25.10 | libspring-java | no fix listed | UBUNTU-CVE-2023-20863 |
| Ubuntu:26.04:LTS | libspring-java | no fix listed | UBUNTU-CVE-2023-20863 |
| Ubuntu:26.10 | libspring-java | no fix listed | UBUNTU-CVE-2023-20863 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Spring Framework | Spring framework versions 5.2.x.release prior to 5.2.24.release+, 5.3.x prior to 5.3.27+, 6.0.x prior to 6.0.8+ and older unsupported versions |
Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H