Vulnerability · Published Mar 23, 2023 · Assigned by vmware
CVE-2023-20861
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 1.0% (higher than 62% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)1.0%top 37.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In Spring Framework versions 6.0.0 - 6.0.6, 5.3.0 - 5.3.25, 5.2.0.RELEASE - 5.2.22.RELEASE, and older unsupported versions, 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-2023-20861 |
| Debian:13 | libspring-java | no fix listed | DEBIAN-CVE-2023-20861 |
| Debian:14 | libspring-java | no fix listed | DEBIAN-CVE-2023-20861 |
| Maven | org.springframework:spring-expression | 6.0.7 | GHSA-564r-hj7v-mcr5 |
| Maven | org.springframework:spring-expression | 5.3.26 | GHSA-564r-hj7v-mcr5 |
| Maven | org.springframework:spring-expression | 5.2.23.RELEASE | GHSA-564r-hj7v-mcr5 |
| Ubuntu:25.10 | libspring-java | no fix listed | UBUNTU-CVE-2023-20861 |
| Ubuntu:26.04:LTS | libspring-java | no fix listed | UBUNTU-CVE-2023-20861 |
| Ubuntu:26.10 | libspring-java | no fix listed | UBUNTU-CVE-2023-20861 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Spring Framework | Spring Framework (6.0.0 to 6.0.6, 5.3.0 to 5.3.25, 5.2.0.RELEASE to 5.2.22.RELEASE, Older unsupported versions are also affected) |
Weakness: CWE-400