CVE-2016-4977
Spring Security OAuth vulnerable to remote code execution (RCE) via specially crafted request using whitelabel views
CVE-2016-4977 is a high vulnerability (CVSS 8.8) in Pivotal Spring Security Oauth, published May 25, 2017. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 80.0%, the 99th percentile. Fixed in org.springframework.security.oauth:spring-security-oauth2 2.0.10.
- Severity
- 8.8 HighCVSS 3.0, NVD
- Exploit chance
- 80.0%EPSS, 99th percentile
- Exploitation
- None known4 public exploits
Description
When processing authorization requests using the whitelabel views in Spring Security OAuth 2.0.0 to 2.0.9 and 1.0.0 to 1.0.5, the response_type parameter value was executed as Spring SpEL which enabled a malicious user to trigger remote code execution via the crafting of the value for response_type.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Discussion
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.springframework.security.oauth:spring-security-oauth2Maven | 2.0.0 up to 2.0.10 | 2.0.10 |
org.springframework.security.oauth:spring-security-oauth2Maven | 1.0.0 up to 1.0.5 | 1.0.5 |
org.springframework.security.oauth:spring-security-oauth2Maven | 2.0.0 up to 2.0.10, plus listed versions 2.0.0.RELEASE2.0.1.RELEASE2.0.2.RELEASE2.0.3.RELEASE2.0.4.RELEASE Show 5 moreShow less2.0.5.RELEASE2.0.6.RELEASE2.0.7.RELEASE2.0.8.RELEASE2.0.9.RELEASE | 2.0.10 |
org.springframework.security.oauth:spring-security-oauth2Maven | 1.0.0 up to 1.0.5, plus listed versions 1.0.0.RELEASE1.0.1.RELEASE1.0.2.RELEASE1.0.3.RELEASE1.0.4.RELEASE | 1.0.5 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | N0b1e6/CVE-2016-4977-POC | 2020-02-17 |
| PoC in GitHub | tpt11fb/SpringVulScan | 2022-06-19 |
| PoC in GitHub | CyberCTF/vulhub-spring-cve-2016-4977 | 2026-10-08 |
| Nuclei | Spring Security OAuth2 Remote Command Execution |
What each source reports
NVD Score used
When processing authorization requests using the whitelabel views in Spring Security OAuth 2.0.0 to 2.0.9 and 1.0.0 to 1.0.5, the response_type parameter value was executed as Spring SpEL which enabled a malicious user to trigger remote code execution via the crafting of the value for response_type.
- Record
CVE-2016-4977- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-19
- Updated
- 2026-11-02
CVE ListNo score
When processing authorization requests using the whitelabel views in Spring Security OAuth 2.0.0 to 2.0.9 and 1.0.0 to 1.0.5, the response_type parameter value was executed as Spring SpEL which enabled a malicious user to trigger remote code execution via the crafting of the value for response_type.
- Record
CVE-2016-4977- Updated
- 2026-11-02
EUVDEUVD-2018-0540No score
When processing authorization requests using the whitelabel views in Spring Security OAuth 2.0.0 to 2.0.9 and 1.0.0 to 1.0.5, the response_type parameter value was executed as Spring SpEL which enabled a malicious user to trigger remote code execution via the crafting of the value for response_type.
- Record
EUVD-2018-0540- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7q9c-h23x-65fq
Spring Security OAuth vulnerable to remote code execution (RCE) via specially crafted request using whitelabel views
When processing authorization requests using the whitelabel views in Spring Security OAuth 2.0.0 to 2.0.9 and 1.0.0 to 1.0.5, the response_type parameter value was executed as Spring SpEL which enabled a malicious user to trigger remote code execution via the crafting of the value for response_type.
- Record
GHSA-7q9c-h23x-65fq- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSV
When processing authorization requests using the whitelabel views in Spring Security OAuth 2.0.0 to 2.0.9 and 1.0.0 to 1.0.5, the response_type parameter value was executed as Spring SpEL which enabled a malicious user to trigger remote code execution via the crafting of the value for response_type.
- Record
CVE-2016-4977- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-7q9c-h23x-65fq
Spring Security OAuth vulnerable to remote code execution (RCE) via specially crafted request using whitelabel views
When processing authorization requests using the whitelabel views in Spring Security OAuth 2.0.0 to 2.0.9 and 1.0.0 to 1.0.5, the response_type parameter value was executed as Spring SpEL which enabled a malicious user to trigger remote code execution via the crafting of the value for response_type.
- Record
GHSA-7q9c-h23x-65fq- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| exploits, facts | ||
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
pivotal.io/security/cve-2016-4977
lists.apache.org/thread.html/37d7e820fc65a768de3e096e98382d5529a52a039f093e59357d0bc0%40%3Cdev.fineract.apache.org%3E
openwall.com/lists/oss-security/2019/10/16/1
Show 6 moreShow less
nvd.nist.gov/vuln/detail/CVE-2016-4977
github.com/advisories/GHSA-7q9c-h23x-65fq