CVE-2008-5840 EXPLOIT
7.5
HIGH · CVSS 2.0 · EPSS 3% (pctl 87)
Patch early
A public exploit exists.
Description
PHP iCalendar 2.24 and earlier allows remote attackers to bypass authentication by setting the phpicalendar and phpicalendar_login cookies to 1.
Scoring
| CVSS | 7.5 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| EPSS | 3.02% — more likely to be exploited than 87% of all CVEs |
| Weakness | CWE-264 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2009-01-05 |
| Last modified | 2026-06-16 |
Affected (2)
| Vendor | Product |
|---|---|
| phpicalendar | phpicalendar |
| phpicalendar | phpicalendar2.0 |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | PHP iCalendar 2.24 - Insecure Cookie Handling | 2008-09-22 |
References
- http://securityreason.com/securityalert/4865
- http://www.securityfocus.com/bid/31320
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45338
- https://www.exploit-db.com/exploits/6526
- http://securityreason.com/securityalert/4865
- http://www.securityfocus.com/bid/31320
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45338
- https://www.exploit-db.com/exploits/6526
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