CRITICAL
strongSwan 5.2.2 and 5.3.0 allows remote attackers to cause a denial of service (daemon crash) or execute arbitrary code
Published Sep 7, 2017
9.8
CRITICALCVSS 3.0
EPSS 4.56%
Description
strongSwan 5.2.2 and 5.3.0 allows remote attackers to cause a denial of service (daemon crash) or execute arbitrary code.
Affected products
No data.
OR
- 5.2.2
- 5.3.0
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.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.56% 0.04559
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.04559
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 3, 2026 | 4.56% (0.04559) | 91.32th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.64% (0.04640) | 90.51th | v5 (v2026.06.15) |
| Mar 30, 2025 | 4.76% (0.04756) | 88.42th | v4 (v2025.03.14) |
| Mar 29, 2025 | 10.30% (0.10299) | 88.53th | v4 (v2025.03.14) |
| Mar 17, 2025 | 5.00% (0.04997) | 88.97th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.56% (0.02558) | 89.90th | v3 (v2023.03.01) |
| Aug 18, 2023 | 3.91% (0.03909) | 90.83th | v3 (v2023.03.01) |
| Jul 18, 2023 | 3.97% (0.03971) | 90.83th | v3 (v2023.03.01) |
| Mar 10, 2023 | 3.91% (0.03912) | 90.60th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.73% (0.04727) | 91.38th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.79% (0.03795) | 85.54th | v2 (v2022.01.01) |
| Jun 4, 2022 | 3.79% (0.03795) | 84.35th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.69% (0.03693) | 83.51th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.69% (0.03693) | 66.67th | v2 (v2022.01.01) |
Weaknesses (1)
References (5)
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/164276.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/164278.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://www.securityfocus.com/bid/76861 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1222815 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://www.strongswan.org/blog/2015/06/01/strongswan-vulnerability-%28cve-2015-3991%29.html x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2015-August/164276.html | vendor-advisoryx_refsource_FEDORAThird Party Advisory | |
| http://lists.fedoraproject.org/pipermail/package-announce/2015-August/164278.html | vendor-advisoryx_refsource_FEDORAThird Party Advisory | |
| http://www.securityfocus.com/bid/76861 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1222815 | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| https://www.strongswan.org/blog/2015/06/01/strongswan-vulnerability-%28cve-2015-3991%29.html | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 7, 2017
Updated Aug 6, 2024
Reserved May 15, 2015
Link CVE-2015-3991
CISA Vulnrichment
Updated n/a