admin/index.php in PHP iCalendar 2.3.4, 2.24, and earlier does not require administrative authentication for an addupdate action, which allows remote attackers to upload a calendar (aka .ics) file with arbitrary content to the calendars/ directory outside the web root
Published Jan 26, 2009
7.5
HIGHCVSS 2.0
EPSS 3.33%
Description
admin/index.php in PHP iCalendar 2.3.4, 2.24, and earlier does not require administrative authentication for an addupdate action, which allows remote attackers to upload a calendar (aka .ics) file with arbitrary content to the calendars/ directory outside the web root.
Affected products
No data.
- ≤ 2.3.4
- 0.7
- 0.8
- 0.9
- 0.9.5
- 1.0
- 1.1
- 2.0
- 2.0.1
- 2.0c
- 2.1
- 2.2
- 2.21
- 2.22
- 2.23
- 2.23
- 2.24
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.33% (0.03326) | 88.21th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.33% (0.03326) | 86.99th | v5 (v2026.06.15) |
| Mar 18, 2026 | 4.79% (0.04791) | 89.37th | v4 (v2025.03.14) |
| Dec 13, 2025 | 3.68% (0.03683) | 87.52th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.80% (0.01800) | 81.16th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.44% (0.04440) | 81.38th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.80% (0.01800) | 81.57th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.76% (0.00756) | 81.75th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.76% (0.00756) | 80.49th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.76% (0.00756) | 78.22th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
References (3)
- http://secunia.com/advisories/31944 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/48323 vdb-entryx_refsource_XF
- https://www.exploit-db.com/exploits/6519 exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/31944 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/48323 | vdb-entryx_refsource_XF | |
| https://www.exploit-db.com/exploits/6519 | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.