CRLF injection vulnerability in the WebContainer component in IBM WebSphere Application Server (WAS) 5.1.1.19 and earlier 5.1.x versions allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors
Published Feb 10, 2009
10.0
HIGHCVSS 2.0
EPSS 3.30%
Description
CRLF injection vulnerability in the WebContainer component in IBM WebSphere Application Server (WAS) 5.1.1.19 and earlier 5.1.x versions allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.
Affected products
No data.
- ≤ 5.1.1.19
- 5.0
- 5.0
- 5.0.0
- 5.0.1
- 5.0.2
- 5.0.2.1
- 5.0.2.2
- 5.0.2.3
- 5.0.2.4
- 5.0.2.5
- 5.0.2.6
- 5.0.2.7
- 5.0.2.8
- 5.0.2.9
- 5.0.2.10
- 5.0.2.11
- 5.0.2.12
- 5.0.2.13
- 5.0.2.14
- 5.0.2.15
- 5.0.2.16
- 5.1.0
- 5.1.0.2
- 5.1.0.3
- 5.1.0.4
- 5.1.0.5
- 5.1.1
- 5.1.1.1
- 5.1.1.2
- 5.1.1.3
- 5.1.1.4
- 5.1.1.5
- 5.1.1.6
- 5.1.1.7
- 5.1.1.8
- 5.1.1.9
- 5.1.1.10
- 5.1.1.11
- 5.1.1.12
- 5.1.1.13
- 5.1.1.14
- 5.1.1.15
- 5.1.1.16
- 5.1.1.17
- 5.1.1.18
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:C/I:C/A:C
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.30% (0.03302) | 88.12th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.30% (0.03302) | 86.89th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.60% (0.00603) | 67.69th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.63% (0.00632) | 79.76th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.63% (0.00632) | 78.39th | v3 (v2023.03.01) |
| May 16, 2023 | 0.63% (0.00632) | 75.98th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.45% (0.00445) | 70.97th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (4)
- http://www-1.ibm.com/support/docview.wss?uid=isg1SE35864 vendor-advisoryx_refsource_AIXAPARVendor Advisory
- http://www-1.ibm.com/support/docview.wss?uid=swg1PK69929 vendor-advisoryx_refsource_AIXAPAR
- http://www.securityfocus.com/bid/33700 vdb-entryx_refsource_BID
- https://exchange.xforce.ibmcloud.com/vulnerabilities/47199 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://www-1.ibm.com/support/docview.wss?uid=isg1SE35864 | vendor-advisoryx_refsource_AIXAPARVendor Advisory | |
| http://www-1.ibm.com/support/docview.wss?uid=swg1PK69929 | vendor-advisoryx_refsource_AIXAPAR | |
| http://www.securityfocus.com/bid/33700 | vdb-entryx_refsource_BID | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/47199 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.