Staging Environment: Content and features may be unstable or change without notice.
Advisory details: gitlab / maven/org.springframework/spring-core/CVE-2023-20861
Advisory ID gitlab/maven/org.springframework/spring-core/CVE-2023-20861
Aliases CVE-2023-20861
GHSA-564r-hj7v-mcr5
Summary Spring Framework vulnerable to denial of service via specially crafted SpEL expression 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.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (2)
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/org.springframework/spring-core/CVE-2023-20861.yml
Reference id Reference type URL
CVE-2023-20861 https://nvd.nist.gov/vuln/detail/CVE-2023-20861
CVE-2023-20861 https://spring.io/security/cve-2023-20861
GHSA-564r-hj7v-mcr5 https://github.com/advisories/GHSA-564r-hj7v-mcr5
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/org.springframework/spring-core/CVE-2023-20861.yml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-02-25T15:31:28Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2023/20xxx/CVE-2023-20861.json

Source Advisory: vulnrichment/CVE-2023-20861

View SSVC decision tree 
[{'Exploitation': 'none'},
 {'Automatable': 'no'},
 {'Technical Impact': 'partial'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]