Strongswan vulnerabilitiesNone on the known-exploited list.
Strongswan has 37 published vulnerabilities across 3 products in our catalogue. None of them is on the list of flaws known to be exploited today. The most affected product is Strongswan, with 37. If you run Strongswan software, patch the exploited flaws first.
We keep watching the known-exploited list.
Which Strongswan products have the most vulnerabilities?
Strongswan leads with 37 published vulnerabilities. Open a product to see its versions and which of its flaws criminals are already using.
Which Strongswan vulnerabilities are being exploited?
This is the list that matters most: flaws criminals are using now.
None of Strongswan's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.
Which Strongswan flaws are most likely to be used?
Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.
- 6.7%CVE-2021-41990High
The gmp plugin in strongSwan before 5.9.4 has a remote integer overflow via a crafted certificate with an RSASSA-PSS signature.
- 6.2%CVE-2018-10811High
strongSwan 5.6.0 and older allows Remote Denial of Service because of Missing Initialization of a Variable.
- 5.3%CVE-2021-41991High
The in-memory certificate cache in strongSwan before 5.9.4 has a remote integer overflow upon receiving many requests with different certificates to fill the cache and later trigger the replacement of cache entries.
- 4.6%CVE-2015-3991Critical
strongSwan 5.2.2 and 5.3.0 allows remote attackers to cause a denial of service (daemon crash) or execute arbitrary code.
- 4.0%CVE-2010-2628High
The IKE daemon in strongSwan 4.3.x before 4.3.7 and 4.4.x before 4.4.1 does not properly check the return values of snprintf calls, which allows remote attackers to execute arbitrary code via crafted (1) certificate...
- 3.9%CVE-2018-5388Medium
In stroke_socket.c in strongSwan before 5.6.3, a missing packet length check could allow a buffer underflow, which may lead to resource exhaustion and denial of service while reading from the socket.
- 3.8%CVE-2014-9221Medium
strongSwan 4.5.x through 5.2.x before 5.2.1 allows remote attackers to cause a denial of service (invalid pointer dereference) via a crafted IKEv2 Key Exchange (KE) message with Diffie-Hellman (DH) group 1025.
- 3.5%CVE-2018-17540High
The gmp plugin in strongSwan before 5.7.1 has a Buffer Overflow via a crafted certificate.
- 3.3%CVE-2012-2388High
The GMP Plugin in strongSwan 4.2.0 through 4.6.3 allows remote attackers to bypass authentication via a (1) empty or (2) zeroed RSA signature, aka "RSA signature verification vulnerability."
- 3.2%CVE-2009-0790Medium
The pluto IKE daemon in Openswan and Strongswan IPsec 2.6 before 2.6.21 and 2.4 before 2.4.14, and Strongswan 4.2 before 4.2.14 and 2.8 before 2.8.9, allows remote attackers to cause a denial of service (daemon crash...
All Strongswan products we track.
3 products, most vulnerabilities first. Find the ones you run, then open a product to see its versions and exploited flaws.
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1 new flaw affects software Acme tracks
The gmp plugin in strongSwan before 5.9.4 has a remote integer overflow via a crafted certificate with an RSASSA-PSS signature. For example, this can be triggered by an unrelated self-signed CA certificate sent by an initiator. Remote code execution cannot occur.
- Matched to
- Strongswan on Acme's software list
- What to do
- Plan in the vendor’s update
Sent to the alert recipients Acme chose. Also in the app and to Acme's webhook.
Our catalogue lists 37 published vulnerabilities across 3 products and 165 versions from Strongswan.
None of Strongswan's vulnerabilities is on the list of flaws known to be exploited today.
Strongswan, with 37 published vulnerabilities. Its own page lists the ones known to be exploited.
Create a Precursor Intelligence account and track the Strongswan products you run. We match them against every published flaw, give each one a risk score from 0 to 100 and tell you as soon as we spot one that affects you, by email, in the app or by webhook.