# CVE-2015-8314

## Summary

- **CVE ID:** CVE-2015-8314
- **Severity:** HIGH
- **CVSS Score:** 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
- **CWE:** N/A
- **Published:** Dec 12, 2023
- **Last Modified:** Sep 17, 2026

## Description

The Devise gem before 3.5.4 for Ruby mishandles Remember Me cookies for sessions, which may allow an adversary to obtain unauthorized persistent application access.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](https://rubysec.com/advisories/CVE-2015-8314/)
- [CNA](https://github.com/advisories/GHSA-746g-3gfp-hfhw)
- [CNA](https://github.com/heartcombo/devise/commit/c92996646aba2d25b2c3e235fe0c4f1a84b70d24)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.17%
- **EPSS Percentile:** 38.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._