CWE-384: Session Fixation
low-riskAuthenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.
Abstraction: Compound
Common Consequences
Access Control
→
Gain Privileges or Assume Identity
Real-World Examples (10)
| CVE | CVSS | EPSS | KEV |
|---|---|---|---|
| CVE-2018-18925 | 9.8 | 93.6% | — |
| CVE-2022-31798 | 6.1 | 86.6% | — |
| CVE-2017-14263 | 8.1 | 24.4% | — |
| CVE-2017-12965 | 9.8 | 22.2% | — |
| CVE-2024-50339 | 5.3 | 21.5% | — |
| CVE-2015-4594 | 9.8 | 12.3% | — |
| CVE-2021-36394 | 9.8 | 11.6% | — |
| CVE-2019-12258 | 7.5 | 11.6% | — |
| CVE-2025-28242 | 9.8 | 11.5% | — |
| CVE-2019-18418 | 9.8 | 10.6% | — |
3
/ 100
low-risk
Active Threat
3/50 · Minimal
Exploit Availability
0/50 · Minimal