CVE-2016-4977
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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 79.2%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 79.18% probability · 100th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-19
- Affected
- pivotal/spring security oauth
- Source
- security_alert@emc.com
EPSS moved from 71.8% on 21 September 2026 to 79.2% on 4 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://www.openwall.com/lists/oss-security/2019/10/16/1
- https://lists.apache.org/thread.html/0841d849c23418c473ccb9183cbf41a317cb0476e44be48022ce3488%40%3Cdev.fineract.apache.org%3E
- https://lists.apache.org/thread.html/37d7e820fc65a768de3e096e98382d5529a52a039f093e59357d0bc0%40%3Cdev.fineract.apache.org%3E
- https://lists.apache.org/thread.html/5e6dd946635bbcc9e1f2591599ad0fab54f2dc3714196af3b17893f2%40%3Cannounce.apache.org%3E
- https://lists.apache.org/thread.html/96c017115069408cec5e82ce1e6293facab398011f6db7e1befbe274%40%3Cdev.fineract.apache.org%3E
- https://pivotal.io/security/cve-2016-4977Vendor Advisory
- http://www.openwall.com/lists/oss-security/2019/10/16/1
- https://lists.apache.org/thread.html/0841d849c23418c473ccb9183cbf41a317cb0476e44be48022ce3488%40%3Cdev.fineract.apache.org%3E
- https://lists.apache.org/thread.html/37d7e820fc65a768de3e096e98382d5529a52a039f093e59357d0bc0%40%3Cdev.fineract.apache.org%3E
- https://lists.apache.org/thread.html/5e6dd946635bbcc9e1f2591599ad0fab54f2dc3714196af3b17893f2%40%3Cannounce.apache.org%3E
- https://lists.apache.org/thread.html/96c017115069408cec5e82ce1e6293facab398011f6db7e1befbe274%40%3Cdev.fineract.apache.org%3E
- https://pivotal.io/security/cve-2016-4977Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.