SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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…

HIGH 8.8EPSS 79.2%

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 trend
0%40%80%21 September 2026: 71.76%22 September 2026: 79.18%4 November 2026: 79.18%21 September 20264 November 2026

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”.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.