CVE-2008-5840
UnknownEPSS 3.02%
Last modified
CVE-2008-5840 is a vulnerability of currently unknown severity. PHP iCalendar 2.24 and earlier allows remote attackers to bypass authentication by setting the phpicalendar and phpicalendar_login cookies to 1.. EPSS estimates a 3.02% chance of exploitation in the next 30 days.
Description
PHP iCalendar 2.24 and earlier allows remote attackers to bypass authentication by setting the phpicalendar and phpicalendar_login cookies to 1.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Phpicalendar | Phpicalendar | <= 2.24 | — |
| Phpicalendar | Phpicalendar | 0.7 | — |
| Phpicalendar | Phpicalendar | 0.8 | — |
| Phpicalendar | Phpicalendar | 0.9 | — |
| Phpicalendar | Phpicalendar | 0.9.5 | — |
| Phpicalendar | Phpicalendar | 1.0 | — |
| Phpicalendar | Phpicalendar | 1.1 | — |
| Phpicalendar | Phpicalendar | 2.0 | Beta |
| Phpicalendar | Phpicalendar | 2.0.1 | — |
| Phpicalendar | Phpicalendar | 2.0c | — |
| Phpicalendar | Phpicalendar | 2.1 | — |
| Phpicalendar | Phpicalendar | 2.2 | — |
| Phpicalendar | Phpicalendar | 2.21 | — |
| Phpicalendar | Phpicalendar | 2.22 | — |
| Phpicalendar | Phpicalendar | 2.23 | — |
| Phpicalendar | Phpicalendar2.0 | alpha_test | — |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2008-5840?
PHP iCalendar 2.24 and earlier allows remote attackers to bypass authentication by setting the phpicalendar and phpicalendar_login cookies to 1.
How severe is CVE-2008-5840?
Severity scoring for CVE-2008-5840 is pending analysis. The EPSS model estimates a 3.02% probability of exploitation in the next 30 days.
How do I fix CVE-2008-5840?
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.
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Are you affected by CVE-2008-5840?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST