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CVE-2019-3778

Open Redirect in spring-security-oauth2

6.5 MediumPublic exploitFix available

Spring Security OAuth, versions 2.3 prior to 2.3.5, and 2.2 prior to 2.2.4, and 2.1 prior to 2.1.4, and 2.0 prior to 2.0.17, and older unsupported versions could be susceptible to an open redirector attack that can leak an authorization code. A malicious user or attacker can craft a request to the authorization endpoint using the authorization code grant type, and specify a manipulated redirection URI via the "redirect_uri" parameter. This can cause the authorization server to redirect the resource owner user-agent to a URI under the control of the attacker with the leaked authorization code. This vulnerability exposes applications that meet all of the following requirements: Act in the role of an Authorization Server (e.g. @EnableAuthorizationServer) and uses the DefaultRedirectResolver in the AuthorizationEndpoint. This vulnerability does not expose applications that: Act in the role of an Authorization Server and uses a different RedirectResolver implementation other than DefaultRedirectResolver, act in the role of a Resource Server only (e.g. @EnableResourceServer), act in the role of a Client only (e.g. @EnableOAuthClient).

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
Low
Integrity
Low
Availability
None

Exploit likelihood

16.6%Up 12.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 6.5

Spring Security OAuth, versions 2.3 prior to 2.3.5, and 2.2 prior to 2.2.4, and 2.1 prior to 2.1.4, and 2.0 prior to 2.0.17, and older unsupported versions could be susceptible to an open redirector attack that can leak an authorization code. A malicious user or attacker can craft a request to the authorization endpoint using the authorization code grant type, and specify a manipulated redirection URI via the "redirect_uri" parameter. This can cause the authorization server to redirect the resource owner user-agent to a URI under the control of the attacker with the leaked authorization code. This vulnerability exposes applications that meet all of the following requirements: Act in the role of an Authorization Server (e.g. @EnableAuthorizationServer) and uses the DefaultRedirectResolver in the AuthorizationEndpoint. This vulnerability does not expose applications that: Act in the role of an Authorization Server and uses a different RedirectResolver implementation other than DefaultRedirectResolver, act in the role of a Resource Server only (e.g. @EnableResourceServer), act in the role of a Client only (e.g. @EnableOAuthClient).

Record
CVE-2019-3778
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS 2.0
6.4 MediumAV:N/AC:L/Au:N/C:P/I:P/A:N
Weakness
CWE-601
Updated
2026-11-02
CVE List No score

Open Redirect in spring-security-oauth2

Spring Security OAuth, versions 2.3 prior to 2.3.5, and 2.2 prior to 2.2.4, and 2.1 prior to 2.1.4, and 2.0 prior to 2.0.17, and older unsupported versions could be susceptible to an open redirector attack that can leak an authorization code. A malicious user or attacker can craft a request to the authorization endpoint using the authorization code grant type, and specify a manipulated redirection URI via the "redirect_uri" parameter. This can cause the authorization server to redirect the resource owner user-agent to a URI under the control of the attacker with the leaked authorization code. This vulnerability exposes applications that meet all of the following requirements: Act in the role of an Authorization Server (e.g. @EnableAuthorizationServer) and uses the DefaultRedirectResolver in the AuthorizationEndpoint. This vulnerability does not expose applications that: Act in the role of an Authorization Server and uses a different RedirectResolver implementation other than DefaultRedirectResolver, act in the role of a Resource Server only (e.g. @EnableResourceServer), act in the role of a Client only (e.g. @EnableOAuthClient).

Record
CVE-2019-3778
Weakness
CWE-601
Updated
2026-11-02
EUVDEUVD-2019-0373 No score

Spring Security OAuth, versions 2.3 prior to 2.3.5, and 2.2 prior to 2.2.4, and 2.1 prior to 2.1.4, and 2.0 prior to 2.0.17, and older unsupported versions could be susceptible to an open redirector attack that can leak an authorization code. A malicious user or attacker can craft a request to the authorization endpoint using the authorization code grant type, and specify a manipulated redirection URI via the "redirect_uri" parameter. This can cause the authorization server to redirect the resource owner user-agent to a URI under the control of the attacker with the leaked authorization code. This vulnerability exposes applications that meet all of the following requirements: Act in the role of an Authorization Server (e.g. @EnableAuthorizationServer) and uses the DefaultRedirectResolver in the AuthorizationEndpoint. This vulnerability does not expose applications that: Act in the role of an Authorization Server and uses a different RedirectResolver implementation other than DefaultRedirectResolver, act in the role of a Resource Server only (e.g. @EnableResourceServer), act in the role of a Client only (e.g. @EnableOAuthClient).

Record
EUVD-2019-0373
Updated
2026-11-03
GitHub AdvisoriesGHSA-77rv-6vfw-x4gc 6.5

spring-security-oauth and spring-security-oauth2 Open Redirect vulnerability

Spring Security OAuth, versions 2.3 prior to 2.3.5, and 2.2 prior to 2.2.4, and 2.1 prior to 2.1.4, and 2.0 prior to 2.0.17, and older unsupported versions could be susceptible to an open redirector attack that can leak an authorization code.

A malicious user or attacker can craft a request to the authorization endpoint using the authorization code grant type, and specify a manipulated redirection URI via the "redirect_uri" parameter. This can cause the authorization server to redirect the resource owner user-agent to a URI under the control of the attacker with the leaked authorization code.

This vulnerability exposes applications that meet all of the following requirements: Act in the role of an Authorization Server (e.g. @EnableAuthorizationServer) and uses the DefaultRedirectResolver in the AuthorizationEndpoint.

This vulnerability does not expose applications that: Act in the role of an Authorization Server and uses a different RedirectResolver implementation other than DefaultRedirectResolver, act in the role of a Resource Server only (e.g. @EnableResourceServer), act in the role of a Client only (e.g. @EnableOAuthClient).

Record
GHSA-77rv-6vfw-x4gc
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-601
Updated
2026-11-02
OSV 6.5

Spring Security OAuth, versions 2.3 prior to 2.3.5, and 2.2 prior to 2.2.4, and 2.1 prior to 2.1.4, and 2.0 prior to 2.0.17, and older unsupported versions could be susceptible to an open redirector attack that can leak an authorization code. A malicious user or attacker can craft a request to the authorization endpoint using the authorization code grant type, and specify a manipulated redirection URI via the "redirect_uri" parameter. This can cause the authorization server to redirect the resource owner user-agent to a URI under the control of the attacker with the leaked authorization code. This vulnerability exposes applications that meet all of the following requirements: Act in the role of an Authorization Server (e.g. @EnableAuthorizationServer) and uses the DefaultRedirectResolver in the AuthorizationEndpoint. This vulnerability does not expose applications that: Act in the role of an Authorization Server and uses a different RedirectResolver implementation other than DefaultRedirectResolver, act in the role of a Resource Server only (e.g. @EnableResourceServer), act in the role of a Client only (e.g. @EnableOAuthClient).

Record
CVE-2019-3778
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Updated
2026-11-02
OSVGHSA-77rv-6vfw-x4gc 6.5

spring-security-oauth and spring-security-oauth2 Open Redirect vulnerability

Spring Security OAuth, versions 2.3 prior to 2.3.5, and 2.2 prior to 2.2.4, and 2.1 prior to 2.1.4, and 2.0 prior to 2.0.17, and older unsupported versions could be susceptible to an open redirector attack that can leak an authorization code.

A malicious user or attacker can craft a request to the authorization endpoint using the authorization code grant type, and specify a manipulated redirection URI via the "redirect_uri" parameter. This can cause the authorization server to redirect the resource owner user-agent to a URI under the control of the attacker with the leaked authorization code.

This vulnerability exposes applications that meet all of the following requirements: Act in the role of an Authorization Server (e.g. @EnableAuthorizationServer) and uses the DefaultRedirectResolver in the AuthorizationEndpoint.

This vulnerability does not expose applications that: Act in the role of an Authorization Server and uses a different RedirectResolver implementation other than DefaultRedirectResolver, act in the role of a Resource Server only (e.g. @EnableResourceServer), act in the role of a Client only (e.g. @EnableOAuthClient).

Record
GHSA-77rv-6vfw-x4gc
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-601
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
org.springframework.security.oauth:spring-security-oauth
Maven
before 2.0.17.RELEASE
2.0.17.RELEASE
org.springframework.security.oauth:spring-security-oauth2
Maven
before 2.0.17.RELEASE
2.0.17.RELEASE
org.springframework.security.oauth:spring-security-oauth
Maven
2.1.0.RELEASE up to 2.1.4.RELEASE
2.1.4.RELEASE
org.springframework.security.oauth:spring-security-oauth2
Maven
2.1.0.RELEASE up to 2.1.4.RELEASE
2.1.4.RELEASE
org.springframework.security.oauth:spring-security-oauth
Maven
2.2.0.RELEASE up to 2.2.4.RELEASE
2.2.4.RELEASE
org.springframework.security.oauth:spring-security-oauth2
Maven
2.2.0.RELEASE up to 2.2.4.RELEASE
2.2.4.RELEASE
org.springframework.security.oauth:spring-security-oauth
Maven
2.3.0.RELEASE up to 2.3.5.RELEASE
2.3.5.RELEASE
org.springframework.security.oauth:spring-security-oauth2
Maven
2.3.0.RELEASE up to 2.3.5.RELEASE
2.3.5.RELEASE
org.springframework.security.oauth:spring-security-oauth
Maven
before 2.0.17.RELEASE, plus listed versions
1.0.0.RELEASE1.0.1.RELEASE1.0.2.RELEASE1.0.3.RELEASE1.0.4.RELEASE
Show 18 moreShow less
1.0.5.RELEASE2.0.0.RELEASE2.0.1.RELEASE2.0.10.RELEASE2.0.11.RELEASE2.0.12.RELEASE2.0.13.RELEASE2.0.14.RELEASE2.0.15.RELEASE2.0.16.RELEASE2.0.2.RELEASE2.0.3.RELEASE2.0.4.RELEASE2.0.5.RELEASE2.0.6.RELEASE2.0.7.RELEASE2.0.8.RELEASE2.0.9.RELEASE
2.0.17.RELEASE
org.springframework.security.oauth:spring-security-oauth2
Maven
before 2.0.17.RELEASE, plus listed versions
1.0.0.RELEASE1.0.1.RELEASE1.0.2.RELEASE1.0.3.RELEASE1.0.4.RELEASE
Show 18 moreShow less
1.0.5.RELEASE2.0.0.RELEASE2.0.1.RELEASE2.0.10.RELEASE2.0.11.RELEASE2.0.12.RELEASE2.0.13.RELEASE2.0.14.RELEASE2.0.15.RELEASE2.0.16.RELEASE2.0.2.RELEASE2.0.3.RELEASE2.0.4.RELEASE2.0.5.RELEASE2.0.6.RELEASE2.0.7.RELEASE2.0.8.RELEASE2.0.9.RELEASE
2.0.17.RELEASE
Show 6 moreShow less
Affected packages
PackageAffectedFixed
org.springframework.security.oauth:spring-security-oauth
Maven
2.1.0.RELEASE up to 2.1.4.RELEASE, plus listed versions
2.1.1.RELEASE2.1.2.RELEASE2.1.3.RELEASE
2.1.4.RELEASE
org.springframework.security.oauth:spring-security-oauth2
Maven
2.1.0.RELEASE up to 2.1.4.RELEASE, plus listed versions
2.1.1.RELEASE2.1.2.RELEASE2.1.3.RELEASE
2.1.4.RELEASE
org.springframework.security.oauth:spring-security-oauth
Maven
2.2.0.RELEASE up to 2.2.4.RELEASE, plus listed versions
2.2.1.RELEASE2.2.2.RELEASE2.2.3.RELEASE
2.2.4.RELEASE
org.springframework.security.oauth:spring-security-oauth2
Maven
2.2.0.RELEASE up to 2.2.4.RELEASE, plus listed versions
2.2.1.RELEASE2.2.2.RELEASE2.2.3.RELEASE
2.2.4.RELEASE
org.springframework.security.oauth:spring-security-oauth
Maven
2.3.0.RELEASE up to 2.3.5.RELEASE, plus listed versions
2.3.1.RELEASE2.3.2.RELEASE2.3.3.RELEASE2.3.4.RELEASE
2.3.5.RELEASE
org.springframework.security.oauth:spring-security-oauth2
Maven
2.3.0.RELEASE up to 2.3.5.RELEASE, plus listed versions
2.3.1.RELEASE2.3.2.RELEASE2.3.3.RELEASE2.3.4.RELEASE
2.3.5.RELEASE

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBSpring Security OAuth - Open Redirector2019-06-17
PoC in GitHubBBB-man/CVE-2019-3778-Spring-Security-OAuth-2.3-Open-Redirection2019-10-14

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD, OSV, PoC in GitHub

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

In short

CVE-2019-3778 is a medium vulnerability (CVSS 6.5) in Pivotal Software Spring Security Oauth, published March 7, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 16.6%, the 97th percentile. Fixed in org.springframework.security.oauth:spring-security-oauth 2.0.17.RELEASE.

References

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