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CVE-2011-4073
Use-after-free vulnerability in the cryptographic helper handler functionality in Openswan 2.3.0 through 2.6.36 allows remote…
Medium4.0EPSS 2.1%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Use-after-free vulnerability in the cryptographic helper handler functionality in Openswan 2.3.0 through 2.6.36 allows remote authenticated users to cause a denial of service (pluto IKE daemon crash) via vectors related to the (1) quick_outI1_continue and (2) quick_outI1 functions.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 2.1% · top 18% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.0.
Weakness
Affected products
n/a
- affected n/a
References (8)
- 47342 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 50440 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- DSA-2374 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 46678 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.openswan.org/download/CVE-2011-4073/CVE-2011-4073.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2011:1422 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 1026268 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 46681 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .