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CVE-2023-20873

Spring Boot Security Bypass with Wildcard Pattern Matching on Cloud Foundry

9.8 CriticalFix available

In Spring Boot versions 3.0.0 - 3.0.5, 2.7.0 - 2.7.10, and older unsupported versions, an application that is deployed to Cloud Foundry could be susceptible to a security bypass. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.6+. 2.7.x users should upgrade to 2.7.11+. Users of older, unsupported versions should upgrade to 3.0.6+ or 2.7.11+.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.12%Up 1.1 points since Apr 21, 2023
90%50%10%1%

What each source reports

NVD Score used 9.8

In Spring Boot versions 3.0.0 - 3.0.5, 2.7.0 - 2.7.10, and older unsupported versions, an application that is deployed to Cloud Foundry could be susceptible to a security bypass. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.6+. 2.7.x users should upgrade to 2.7.11+. Users of older, unsupported versions should upgrade to 3.0.6+ or 2.7.11+.

Record
CVE-2023-20873
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
CVE List 9.8

In Spring Boot versions 3.0.0 - 3.0.5, 2.7.0 - 2.7.10, and older unsupported versions, an application that is deployed to Cloud Foundry could be susceptible to a security bypass. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.6+. 2.7.x users should upgrade to 2.7.11+. Users of older, unsupported versions should upgrade to 3.0.6+ or 2.7.11+.

Record
CVE-2023-20873
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
EUVDEUVD-2023-1303 9.8

In Spring Boot versions 3.0.0 - 3.0.5, 2.7.0 - 2.7.10, and older unsupported versions, an application that is deployed to Cloud Foundry could be susceptible to a security bypass. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.6+. 2.7.x users should upgrade to 2.7.11+. Users of older, unsupported versions should upgrade to 3.0.6+ or 2.7.11+.

Record
EUVD-2023-1303
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-g5h3-w546-pj7f 9.8

Spring Boot Security Bypass with Wildcard Pattern Matching on Cloud Foundry

In Spring Boot versions 3.0.0 - 3.0.5, 2.7.0 - 2.7.10, and older unsupported versions, an application that is deployed to Cloud Foundry could be susceptible to a security bypass. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.6+. 2.7.x users should upgrade to 2.7.11+. Users of older, unsupported versions should upgrade to 3.0.6+ or 2.7.11+.

Record
GHSA-g5h3-w546-pj7f
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSV 9.8

In Spring Boot versions 3.0.0 - 3.0.5, 2.7.0 - 2.7.10, and older unsupported versions, an application that is deployed to Cloud Foundry could be susceptible to a security bypass. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.6+. 2.7.x users should upgrade to 2.7.11+. Users of older, unsupported versions should upgrade to 3.0.6+ or 2.7.11+.

Record
CVE-2023-20873
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVGHSA-g5h3-w546-pj7f 9.8

Spring Boot Security Bypass with Wildcard Pattern Matching on Cloud Foundry

In Spring Boot versions 3.0.0 - 3.0.5, 2.7.0 - 2.7.10, and older unsupported versions, an application that is deployed to Cloud Foundry could be susceptible to a security bypass. Users of affected versions should apply the following mitigation: 3.0.x users should upgrade to 3.0.6+. 2.7.x users should upgrade to 2.7.11+. Users of older, unsupported versions should upgrade to 3.0.6+ or 2.7.11+.

Record
GHSA-g5h3-w546-pj7f
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 5 moreShow less
OSVCLSA-2025-1752019358 No score

TuxCare security update for org.springframework.boot (5 CVEs)

TuxCare rebuilt 6 org.springframework.boot packages to address 5 CVEs. Fixed in 2.4.6.tuxcare.2.

Record
CLSA-2025-1752019358
Updated
2026-11-02
OSVCLSA-2026-1774916753 No score

TuxCare security update for org.springframework.boot (2 CVEs)

TuxCare rebuilt 2 org.springframework.boot packages to address 2 CVEs. Fixed in 2.3.6.RELEASE-tuxcare.1.

Record
CLSA-2026-1774916753
Updated
2026-11-02
OSVCLSA-2026-1779929353 No score

TuxCare security update for org.springframework.boot (4 CVEs)

TuxCare rebuilt 4 org.springframework.boot packages to address 4 CVEs. Fixed in 2.4.5-tuxcare.1.

Record
CLSA-2026-1779929353
Updated
2026-11-02
OSVCLSA-2026-1783991067 No score

TuxCare security update for org.springframework.boot (9 CVEs)

TuxCare rebuilt 7 org.springframework.boot packages to address 9 CVEs. Fixed in 2.1.8.RELEASE-tuxcare.1.

Record
CLSA-2026-1783991067
Updated
2026-11-02
OSVCLSA-2026-1793299405 No score

TuxCare security update for org.springframework.boot (8 CVEs)

TuxCare rebuilt 7 org.springframework.boot packages to address 8 CVEs. Fixed in 2.7.9-tuxcare.1.

Record
CLSA-2026-1793299405
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
org.springframework.boot:spring-boot-actuator-autoconfigure
Maven
3.0.0 up to 3.0.6
3.0.6
org.springframework.boot:spring-boot-actuator-autoconfigure
Maven
2.7.0 up to 2.7.11
2.7.11
org.springframework.boot:spring-boot-actuator-autoconfigure
Maven
2.6.0 up to 2.6.15
2.6.15
org.springframework.boot:spring-boot-actuator-autoconfigure
Maven
before 2.5.15
2.5.15
org.springframework.boot:spring-boot
TuxCare:Maven
From an advisory covering 5 CVEs
2.4.6 up to 2.4.6.tuxcare.2
2.4.6.tuxcare.2
org.springframework.boot:spring-boot-actuator
TuxCare:Maven
From an advisory covering 5 CVEs
2.4.6 up to 2.4.6.tuxcare.2
2.4.6.tuxcare.2
org.springframework.boot:spring-boot-actuator-autoconfigure
TuxCare:Maven
From an advisory covering 5 CVEs
2.4.6 up to 2.4.6.tuxcare.2
2.4.6.tuxcare.2
org.springframework.boot:spring-boot-autoconfigure
TuxCare:Maven
From an advisory covering 5 CVEs
2.4.6 up to 2.4.6.tuxcare.2
2.4.6.tuxcare.2
org.springframework.boot:spring-boot-starter-web
TuxCare:Maven
From an advisory covering 5 CVEs
2.4.6 up to 2.4.6.tuxcare.2
2.4.6.tuxcare.2
org.springframework.boot:spring-boot-starter-webflux
TuxCare:Maven
From an advisory covering 5 CVEs
2.4.6 up to 2.4.6.tuxcare.2
2.4.6.tuxcare.2
Show 24 moreShow less
Affected packages
PackageAffectedFixed
org.springframework.boot:spring-boot-actuator-autoconfigure
TuxCare:Maven
From an advisory covering 2 CVEs
2.3.6.RELEASE up to 2.3.6.RELEASE-tuxcare.1
2.3.6.RELEASE-tuxcare.1
org.springframework.boot:spring-boot-autoconfigure
TuxCare:Maven
From an advisory covering 2 CVEs
2.3.6.RELEASE up to 2.3.6.RELEASE-tuxcare.1
2.3.6.RELEASE-tuxcare.1
org.springframework.boot:spring-boot
TuxCare:Maven
From an advisory covering 4 CVEs
2.4.5 up to 2.4.5-tuxcare.1
2.4.5-tuxcare.1
org.springframework.boot:spring-boot-actuator
TuxCare:Maven
From an advisory covering 4 CVEs
2.4.5 up to 2.4.5-tuxcare.1
2.4.5-tuxcare.1
org.springframework.boot:spring-boot-actuator-autoconfigure
TuxCare:Maven
From an advisory covering 4 CVEs
2.4.5 up to 2.4.5-tuxcare.1
2.4.5-tuxcare.1
org.springframework.boot:spring-boot-autoconfigure
TuxCare:Maven
From an advisory covering 4 CVEs
2.4.5 up to 2.4.5-tuxcare.1
2.4.5-tuxcare.1
org.springframework.boot:spring-boot
TuxCare:Maven
From an advisory covering 9 CVEs
2.1.8.RELEASE up to 2.1.8.RELEASE-tuxcare.1
2.1.8.RELEASE-tuxcare.1
org.springframework.boot:spring-boot-actuator
TuxCare:Maven
From an advisory covering 9 CVEs
2.1.8.RELEASE up to 2.1.8.RELEASE-tuxcare.1
2.1.8.RELEASE-tuxcare.1
org.springframework.boot:spring-boot-actuator-autoconfigure
TuxCare:Maven
From an advisory covering 9 CVEs
2.1.8.RELEASE up to 2.1.8.RELEASE-tuxcare.1
2.1.8.RELEASE-tuxcare.1
org.springframework.boot:spring-boot-autoconfigure
TuxCare:Maven
From an advisory covering 9 CVEs
2.1.8.RELEASE up to 2.1.8.RELEASE-tuxcare.1
2.1.8.RELEASE-tuxcare.1
org.springframework.boot:spring-boot-devtools
TuxCare:Maven
From an advisory covering 9 CVEs
2.1.8.RELEASE up to 2.1.8.RELEASE-tuxcare.1
2.1.8.RELEASE-tuxcare.1
org.springframework.boot:spring-boot-loader
TuxCare:Maven
From an advisory covering 9 CVEs
2.1.8.RELEASE up to 2.1.8.RELEASE-tuxcare.1
2.1.8.RELEASE-tuxcare.1
org.springframework.boot:spring-boot-starter-actuator
TuxCare:Maven
From an advisory covering 9 CVEs
2.1.8.RELEASE up to 2.1.8.RELEASE-tuxcare.1
2.1.8.RELEASE-tuxcare.1
org.springframework.boot:spring-boot
TuxCare:Maven
From an advisory covering 8 CVEs
2.7.9 up to 2.7.9-tuxcare.1
2.7.9-tuxcare.1
org.springframework.boot:spring-boot-actuator
TuxCare:Maven
From an advisory covering 8 CVEs
2.7.9 up to 2.7.9-tuxcare.1
2.7.9-tuxcare.1
org.springframework.boot:spring-boot-actuator-autoconfigure
TuxCare:Maven
From an advisory covering 8 CVEs
2.7.9 up to 2.7.9-tuxcare.1
2.7.9-tuxcare.1
org.springframework.boot:spring-boot-autoconfigure
TuxCare:Maven
From an advisory covering 8 CVEs
2.7.9 up to 2.7.9-tuxcare.1
2.7.9-tuxcare.1
org.springframework.boot:spring-boot-devtools
TuxCare:Maven
From an advisory covering 8 CVEs
2.7.9 up to 2.7.9-tuxcare.1
2.7.9-tuxcare.1
org.springframework.boot:spring-boot-starter-actuator
TuxCare:Maven
From an advisory covering 8 CVEs
2.7.9 up to 2.7.9-tuxcare.1
2.7.9-tuxcare.1
org.springframework.boot:spring-boot-starter-mail
TuxCare:Maven
From an advisory covering 8 CVEs
2.7.9 up to 2.7.9-tuxcare.1
2.7.9-tuxcare.1
org.springframework.boot:spring-boot-actuator-autoconfigure
Maven
3.0.0 up to 3.0.6, plus listed versions
3.0.13.0.23.0.33.0.43.0.5
3.0.6
org.springframework.boot:spring-boot-actuator-autoconfigure
Maven
2.7.0 up to 2.7.11, plus listed versions
2.7.12.7.102.7.22.7.32.7.4
Show 5 moreShow less
2.7.52.7.62.7.72.7.82.7.9
2.7.11
org.springframework.boot:spring-boot-actuator-autoconfigure
Maven
2.6.0 up to 2.6.15, plus listed versions
2.6.12.6.102.6.112.6.122.6.13
Show 9 moreShow less
2.6.142.6.22.6.32.6.42.6.52.6.62.6.72.6.82.6.9
2.6.15
org.springframework.boot:spring-boot-actuator-autoconfigure
Maven
before 2.5.15, plus listed versions
2.0.0.RELEASE2.0.1.RELEASE2.0.2.RELEASE2.0.3.RELEASE2.0.4.RELEASE
Show 45 moreShow less
2.0.5.RELEASE2.0.6.RELEASE2.0.7.RELEASE2.0.8.RELEASE2.0.9.RELEASE2.1.0.RELEASE2.1.1.RELEASE2.1.10.RELEASE2.1.11.RELEASE2.1.12.RELEASE2.1.13.RELEASE2.1.14.RELEASE2.1.15.RELEASE2.1.16.RELEASE2.1.17.RELEASE2.1.18.RELEASE2.1.2.RELEASE2.1.3.RELEASE2.1.4.RELEASE2.1.5.RELEASE2.1.6.RELEASE2.1.7.RELEASE2.1.8.RELEASE2.1.9.RELEASE2.2.0.RELEASE2.2.1.RELEASE2.2.10.RELEASE2.2.11.RELEASE2.2.12.RELEASE2.2.13.RELEASE2.2.2.RELEASE2.2.3.RELEASE2.2.4.RELEASE2.2.5.RELEASE2.2.6.RELEASE2.2.7.RELEASE2.2.8.RELEASE2.2.9.RELEASE2.3.0.RELEASE2.3.1.RELEASE2.3.10.RELEASE2.3.11.RELEASE2.3.12.RELEASE2.3.2.RELEASE2.3.3.RELEASE
2.5.15

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-20873 is a critical vulnerability (CVSS 9.8) in Spring Boot, published April 20, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.12%, the 66th percentile. Fixed in org.springframework.boot:spring-boot-actuator-autoconfigure 3.0.6.

References

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Left out here: 35 versions. The JSON record has them.

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