What is CVE-2017-11185?

CVE-2017-11185 is a high-severity vulnerability in Strongswan, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2017-08-18.

How severe is CVE-2017-11185?

High severity. CVSS v3 base score is 7.5 out of 10.

NULL pointer dereference in Strongswan

CVE-2017-11185

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.

Published 2017-08-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.028 (86.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000

Affected products

Strongswan

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

www.securityfocus.com/bid/100492 (vdb-entry)
www.debian.org/security/2017/dsa-3962 (vendor-advisory)
www.strongswan.org/blog/2017/08/14/strongswan-vulnerability-(cve-2017-11185).ht…

Frequently asked questions

What is CVE-2017-11185?: CVE-2017-11185 is a high-severity vulnerability in Strongswan, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2017-08-18.
How severe is CVE-2017-11185?: High severity. CVSS v3 base score is 7.5 out of 10.