HIGH
The System extension Install tool in TYPO3 4.0.0 through 4.0.9, 4.1.0 through 4.1.7, and 4.2.0 through 4.2.3 creates the encryption key with an insufficiently random seed, which makes it easier for attackers to crack the key
Published Jan 22, 2009
7.5
HIGHCVSS 3.1
EPSS 9.44%
Description
The System extension Install tool in TYPO3 4.0.0 through 4.0.9, 4.1.0 through 4.1.7, and 4.2.0 through 4.2.3 creates the encryption key with an insufficiently random seed, which makes it easier for attackers to crack the key.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
9.44% 0.09442
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.09442
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 2, 2026 | 9.44% (0.09442) | 95.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 9.44% (0.09442) | 94.77th | v5 (v2026.06.15) |
| Apr 10, 2025 | 5.11% (0.05112) | 88.91th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.83% (0.03830) | 87.37th | v4 (v2025.03.14) |
| Mar 6, 2025 | 12.55% (0.12555) | 95.56th | v3 (v2023.03.01) |
| Dec 17, 2024 | 16.47% (0.16469) | 95.99th | v3 (v2023.03.01) |
| Dec 12, 2024 | 2.01% (0.02009) | 89.36th | v3 (v2023.03.01) |
| May 21, 2024 | 2.42% (0.02415) | 89.91th | v3 (v2023.03.01) |
| Apr 17, 2024 | 2.24% (0.02244) | 89.40th | v3 (v2023.03.01) |
| Feb 15, 2024 | 2.17% (0.02165) | 89.00th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.29% (0.00286) | 67.93th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.29% (0.00286) | 63.83th | v3 (v2023.03.01) |
| Mar 6, 2023 | 35.85% (0.35855) | 97.84th | v2 (v2022.01.01) |
| Feb 4, 2022 | 35.85% (0.35855) | 96.96th | v2 (v2022.01.01) |
Weaknesses (1)
References (6)
- http://secunia.com/advisories/33617 third-party-advisoryx_refsource_SECUNIABroken LinkVendor Advisory
- http://secunia.com/advisories/33679 third-party-advisoryx_refsource_SECUNIABroken LinkVendor Advisory
- http://typo3.org/teams/security/security-bulletins/typo3-sa-2009-001/ x_refsource_CONFIRMVendor Advisory
- http://www.debian.org/security/2009/dsa-1711 vendor-advisoryx_refsource_DEBIANMailing List
- http://www.securityfocus.com/bid/33376 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/48132 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/33617 | third-party-advisoryx_refsource_SECUNIABroken LinkVendor Advisory | |
| http://secunia.com/advisories/33679 | third-party-advisoryx_refsource_SECUNIABroken LinkVendor Advisory | |
| http://typo3.org/teams/security/security-bulletins/typo3-sa-2009-001/ | x_refsource_CONFIRMVendor Advisory | |
| http://www.debian.org/security/2009/dsa-1711 | vendor-advisoryx_refsource_DEBIANMailing List | |
| http://www.securityfocus.com/bid/33376 | vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/48132 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 22, 2009
Updated Aug 7, 2024
Reserved Jan 22, 2009
Link CVE-2009-0255
CISA Vulnrichment
Updated n/a