CVE-2017-11185: strongswan NULL Pointer Dereference
CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2017-11185SUSE-SU-2017:2143-1SUSE-SU-2017:2293-1UBUNTU-CVE-2017-11185USN-3397-1DEBIAN-CVE-2017-11185DLA-1059-1DSA-3962-1
Published 18-08-2017Last modified 04-12-2025
Vulnerability summary
CVE-2017-11185 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in strongswan. EPSS estimates a 2.83% chance of exploitation in the next 30 days, higher than 86.3% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
2.83%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 18-08-2017PublishedVulnerability first disclosed.
- 04-12-2025Last modifiedVulnerability information updated.
Description
The gmp plugin in strongSwan before 5.6.0 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted RSA signature.
CVSS metrics
8 scores · 5 sources · 3 versionsHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
High 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.83%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
0.00 pp
From 2.83% on 18-09-2026
18-09-202618-10-2026
EPSS score2.83%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse9 products
- strongswan&distro=SUSE Linux Enterprise Desktop 12 SP2< 5.1.3-26.5.1
- strongswan&distro=SUSE Linux Enterprise Desktop 12 SP3< 5.1.3-26.5.1
- strongswan&distro=SUSE Linux Enterprise Server 11 SP4< 4.4.0-6.36.3.1
- strongswan&distro=SUSE Linux Enterprise Server 12 SP2< 5.1.3-26.5.1
- strongswan&distro=SUSE Linux Enterprise Server 12 SP3< 5.1.3-26.5.1
Alpine1 product
- strongswan< 5.3.5-r4 | < 5.4.0-r3 | < 5.5.3-r1
Debian1 product
- strongswan< 5.6.0-1 | < 5.2.1-6+deb8u5 | < 5.5.1-4+deb9u1 | < 4.5.2-1.5+deb7u10
Strongswan1 product
- strongswan≤ 5.5.3
Ubuntu1 product
- strongswan< 5.1.2-0ubuntu2.7 | < 5.3.5-1ubuntu3.4
5 vendors · 13 products
