cve.bz

CVE-2021-22119

7.5 highEPSS 6.0%

High (7.5). EPSS 6.0% chance of exploitation in the next 30 days. Fixed in org.springframework.security:spring-security-core 5.2.11, 5.3.10, 5.4.7.

Spring Security versions 5.5.x prior to 5.5.1, 5.4.x prior to 5.4.7, 5.3.x prior to 5.3.10 and 5.2.x prior to 5.2.11 are susceptible to a Denial-of-Service (DoS) attack via the initiation of the Authorization Request in an OAuth 2.0 Client Web and WebFlux application. A malicious user or attacker can send multiple requests initiating the Authorization Request for the Authorization Code Grant, which has the potential of exhausting system resources using a single session or multiple sessions.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
6.0% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)
CWEs
CWE-863, CWE-400
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-w9jg-gvgr-354mMavenorg.springframework.security:spring-security-core>=5.5.0 <5.5.15.5.1
GHSA-w9jg-gvgr-354mMavenorg.springframework.security:spring-security-core>=5.4.0 <5.4.75.4.7
GHSA-w9jg-gvgr-354mMavenorg.springframework.security:spring-security-core>=5.3.0 <5.3.105.3.10
GHSA-w9jg-gvgr-354mMavenorg.springframework.security:spring-security-core>=5.2.0 <5.2.115.2.11
GHSA-w9jg-gvgr-354mMavenorg.springframework.security:spring-security-oauth2-client>=5.5.0 <5.5.15.5.1
GHSA-w9jg-gvgr-354mMavenorg.springframework.security:spring-security-oauth2-client>=5.4.0 <5.4.75.4.7
GHSA-w9jg-gvgr-354mMavenorg.springframework.security:spring-security-oauth2-client>=5.3.0 <5.3.105.3.10
GHSA-w9jg-gvgr-354mMavenorg.springframework.security:spring-security-oauth2-client>=5.2.0 <5.2.115.2.11

References

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