CVE-2023-28001
CRITICALCVSS 9.8/10EPSS 0.43%
Last modified
CVE-2023-28001 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An insufficient session expiration in Fortinet FortiOS 7.0.0 - 7.0.12 and 7.2.0 - 7.2.4 allows an attacker to execute unauthorized code or commands via reusing the session of a deleted user in the REST API.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.
Description
An insufficient session expiration in Fortinet FortiOS 7.0.0 - 7.0.12 and 7.2.0 - 7.2.4 allows an attacker to execute unauthorized code or commands via reusing the session of a deleted user in the REST API.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Fortios | >= 7.0.0, <= 7.0.12 |
| Fortinet | Fortios | >= 7.2.0, <= 7.2.4 |
References
- https://fortiguard.com/psirt/FG-IR-23-028Vendor Advisory
- https://fortiguard.com/psirt/FG-IR-23-028Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-28001?
An insufficient session expiration in Fortinet FortiOS 7.0.0 - 7.0.12 and 7.2.0 - 7.2.4 allows an attacker to execute unauthorized code or commands via reusing the session of a deleted user in the REST API.
How severe is CVE-2023-28001?
CVE-2023-28001 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.
How do I fix CVE-2023-28001?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2023
- CVE-2023-27995A improper neutralization of special elements used in a temp…8.8
- CVE-2023-27997A heap-based buffer overflow vulnerability [CWE-122] in Fort…9.8
- CVE-2023-27998A lack of custom error pages vulnerability [CWE-756] in Fort…5.3
- CVE-2023-27999An improper neutralization of special elements used in an OS…7.8
- CVE-2023-2800Insecure Temporary File in GitHub repository huggingface/tra…4.7
- CVE-2023-28000An improper neutralization of special elements used in an OS…7.8
- CVE-2023-28002An improper validation of integrity check value vulnerabilit…6.7
- CVE-2023-28003 A CWE-613: Insufficient Session Expiration vulnerability …8.8
- CVE-2023-28004 A CWE-129: Improper validation of an array index vulnerab…9.8
- CVE-2023-28005A vulnerability in Trend Micro Endpoint Encryption Full Disk…6.8
- CVE-2023-28006The OSD Bare Metal Server uses a cryptographic algorithm tha…7.8
- CVE-2023-28008HCL Workload Automation 9.4, 9.5, and 10.1 are vulnerable to…8.1
Are you affected by CVE-2023-28001?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST