CVE-2021-31216
Siren Investigate before 11.1.1 contains a server side request forgery (SSRF) defect in the built-in image proxy route (which is enabled by default).
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.72%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Siren Investigate before 11.1.1 contains a server side request forgery (SSRF) defect in the built-in image proxy route (which is enabled by default). An attacker with access to the Investigate installation can specify an arbitrary URL in the parameters of the image proxy route and fetch external URLs as the Investigate process on the host.
- CVSS 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 0.72% probability · 54th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-918
- Affected
- siren/investigate
- Source
- cve@mitre.org
EPSS 0.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://community.siren.io/c/announcementsRelease Notes, Vendor Advisory
- https://docs.siren.io/siren-platform-user-guide/11.1/release-notes.htmlPatch, Release Notes, Vendor Advisory
- https://community.siren.io/c/announcementsRelease Notes, Vendor Advisory
- https://docs.siren.io/siren-platform-user-guide/11.1/release-notes.htmlPatch, Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.