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CERTFR-2026-AVI-1129
Vulnerability from certfr_avis - Published: 2026-09-08 - Updated: 2026-09-08
De multiples vulnérabilités ont été découvertes dans strongSwan. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, un déni de service à distance et un contournement de la politique de sécurité.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| StrongSwan | strongSwan | strongSwan versions antérieures à 6.1.0 |
References
| Title | Publication Time | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "strongSwan versions ant\u00e9rieures \u00e0 6.1.0",
"product": {
"name": "strongSwan",
"vendor": {
"name": "StrongSwan",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-78134",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-78134"
},
{
"name": "CVE-2026-78127",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-78127"
},
{
"name": "CVE-2017-9023",
"url": "https://www.cve.org/CVERecord?id=CVE-2017-9023"
},
{
"name": "CVE-2026-78129",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-78129"
},
{
"name": "CVE-2026-78135",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-78135"
},
{
"name": "CVE-2026-78132",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-78132"
},
{
"name": "CVE-2026-78133",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-78133"
},
{
"name": "CVE-2014-2338",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-2338"
},
{
"name": "CVE-2026-78131",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-78131"
},
{
"name": "CVE-2026-78130",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-78130"
}
],
"initial_release_date": "2026-09-08T00:00:00",
"last_revision_date": "2026-09-08T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-1129",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-09-08T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans strongSwan. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance, un d\u00e9ni de service \u00e0 distance et un contournement de la politique de s\u00e9curit\u00e9.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans strongSwan",
"vendor_advisories": [
{
"published_at": "2026-09-07",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-78131",
"url": "https://www.strongswan.org//blog/2026/09/07/strongswan-vulnerability-(cve-2026-78131).html"
},
{
"published_at": "2026-09-07",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-78129",
"url": "https://www.strongswan.org//blog/2026/09/07/strongswan-vulnerability-(cve-2026-78129).html"
},
{
"published_at": "2026-09-07",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-78127",
"url": "https://www.strongswan.org//blog/2026/09/07/strongswan-vulnerability-(cve-2026-78127).html"
},
{
"published_at": "2026-09-07",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-78134",
"url": "https://www.strongswan.org//blog/2026/09/07/strongswan-vulnerability-(cve-2026-78134).html"
},
{
"published_at": "2026-09-07",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-78135",
"url": "https://www.strongswan.org//blog/2026/09/07/strongswan-vulnerability-(cve-2026-78135).html"
},
{
"published_at": "2026-09-07",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-78130",
"url": "https://www.strongswan.org//blog/2026/09/07/strongswan-vulnerability-(cve-2026-78130).html"
},
{
"published_at": "2026-09-07",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-78132",
"url": "https://www.strongswan.org//blog/2026/09/07/strongswan-vulnerability-(cve-2026-78132).html"
},
{
"published_at": "2026-09-07",
"title": "Bulletin de s\u00e9curit\u00e9 StrongSwan cve-2026-78133",
"url": "https://www.strongswan.org//blog/2026/09/07/strongswan-vulnerability-(cve-2026-78133).html"
}
]
}
CVE-2014-2338 (GCVE-0-2014-2338)
Vulnerability from cvelistv5 – Published: 2014-04-16 18:00 – Updated: 2024-08-06 10:14
VLAI
EPSS
VEX
Summary
IKEv2 in strongSwan 4.0.7 before 5.1.3 allows remote attackers to bypass authentication by rekeying an IKE_SA during (1) initiation or (2) re-authentication, which triggers the IKE_SA state to be set to established.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
7 references
| URL | Tags |
|---|---|
| http://lists.opensuse.org/opensuse-updates/2014-0… | vendor-advisoryx_refsource_SUSE |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| http://lists.opensuse.org/opensuse-updates/2014-0… | vendor-advisoryx_refsource_SUSE |
| http://www.debian.org/security/2014/dsa-2903 | vendor-advisoryx_refsource_DEBIAN |
| http://secunia.com/advisories/57823 | third-party-advisoryx_refsource_SECUNIA |
| http://www.securityfocus.com/bid/66815 | vdb-entryx_refsource_BID |
| http://www.strongswan.org/blog/2014/04/14/strongs… | x_refsource_CONFIRM |
Date Public
2014-04-14 00:00
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CVE-2017-9023 (GCVE-0-2017-9023)
Vulnerability from cvelistv5 – Published: 2017-06-08 16:00 – Updated: 2025-12-03 21:13
VLAI
EPSS
VEX
Summary
The ASN.1 parser in strongSwan before 5.5.3 improperly handles CHOICE types when the x509 plugin is enabled, which allows remote attackers to cause a denial of service (infinite loop) via a crafted certificate.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-03 21:13 UTC
CWE
- n/a
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
4 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/98756 | vdb-entryx_refsource_BID |
| https://www.strongswan.org/blog/2017/05/30/strong… | x_refsource_CONFIRM |
| http://www.debian.org/security/2017/dsa-3866 | vendor-advisoryx_refsource_DEBIAN |
| http://www.ubuntu.com/usn/USN-3301-1 | vendor-advisoryx_refsource_UBUNTU |
Date Public
2017-05-30 00:00
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CVE-2026-78127 (GCVE-0-2026-78127)
Vulnerability from cvelistv5 – Published: 2026-09-11 01:37 – Updated: 2026-09-11 17:22
VLAI
EPSS
VEX
Summary
libcharon in strongSwan 4.1.2 through 6.0.7 has a missing release of memory after its effective lifetime in the IKE message parser.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 17:20 UTC
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
4.1.2 , < 6.1.0
(semver)
cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:* |
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CVE-2026-78129 (GCVE-0-2026-78129)
Vulnerability from cvelistv5 – Published: 2026-09-11 01:40 – Updated: 2026-09-11 14:16
VLAI
EPSS
VEX
Summary
strongSwan 4.6.2 through 6.0.7 has an infinite loop in PKCS#5 decryption.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 14:16 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
4.6.2 , < 6.1.0
(semver)
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CVE-2026-78130 (GCVE-0-2026-78130)
Vulnerability from cvelistv5 – Published: 2026-09-11 01:43 – Updated: 2026-09-15 15:30
VLAI
EPSS
VEX
Summary
strongSwan 4.2.0 through 6.0.7 has a NULL pointer dereference in the x509 plugin's attribute certificate parser.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 15:30 UTC
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
4.2.0 , < 6.1.0
(semver)
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CVE-2026-78131 (GCVE-0-2026-78131)
Vulnerability from cvelistv5 – Published: 2026-09-11 01:45 – Updated: 2026-09-11 20:04
VLAI
EPSS
VEX
Summary
strongSwan 4.2.0 through 6.0.7 has a missing release of memory after its effective lifetime in the x509 plugin's attribute certificate parser.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 20:04 UTC
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
4.2.0 , < 6.1.0
(semver)
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CVE-2026-78132 (GCVE-0-2026-78132)
Vulnerability from cvelistv5 – Published: 2026-09-11 01:49 – Updated: 2026-09-14 18:18
VLAI
EPSS
VEX
Summary
strongSwan 5.1.3 through 6.0.7 has an infinite loop in the x509 plugin's attribute certificate parser for ietfAttrSyntax.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 15:10 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
5.1.3 , < 6.1.0
(semver)
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CVE-2026-78133 (GCVE-0-2026-78133)
Vulnerability from cvelistv5 – Published: 2026-09-11 01:52 – Updated: 2026-09-11 16:54
VLAI
EPSS
VEX
Summary
libcharon in strongSwan 6.0.0 through 6.0.7 has a use-after-free in IKEv2 rekeying collision handling.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 16:53 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
6.0.0 , < 6.1.0
(semver)
cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:* |
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CVE-2026-78134 (GCVE-0-2026-78134)
Vulnerability from cvelistv5 – Published: 2026-09-11 02:00 – Updated: 2026-09-11 14:14
VLAI
EPSS
VEX
Summary
strongSwan 4.5.0 through 6.0.7 has Incorrect Access Control in the eap-ttls and eap-peap plugins because there can be a missing or mismatched inner EAP identity.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 14:13 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
4.5.0 , < 6.1.0
(semver)
cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:* |
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CVE-2026-78135 (GCVE-0-2026-78135)
Vulnerability from cvelistv5 – Published: 2026-09-11 02:07 – Updated: 2026-09-15 15:32
VLAI
EPSS
VEX
Summary
libcharon in strongSwan 5.9.7 through 6.0.7 mishandles behavioral workflow in the IKEv2 state machine. Because CREATE_CHILD_SA requests are mishandled, there can be an authentication bypass.
Severity
5.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 15:32 UTC
CWE
- CWE-841 - Improper Enforcement of Behavioral Workflow
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| strongSwan | strongSwan |
Affected:
5.9.7 , < 6.1.0
(semver)
cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:* |
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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