Is CVE-2017-11185 in the CISA KEV catalog?

No. CVE-2017-11185 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-11185?

CVE-2017-11185 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2017-11185?

CVE-2017-11185 has an EPSS score of 2.83% (85th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-11185?

Upgrade strongswan on debian 11 to 5.6.0-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2017-11185

HIGHEPSS 85th pctl

7.5

CVSS v3

NVD

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.

CWE-476NULL Pointer Dereference

How to fix

Remediation Available

strongswanDebian

Fixed in:5.6.0-1CVE-2017-11185

libstrongswanUbuntu

Fixed in:5.1.2-0ubuntu2.7USN-3397-1

Fixed in:5.3.5-1ubuntu3.4USN-3397-1

strongswanUbuntu

Fixed in:5.1.2-0ubuntu2.7USN-3397-1

Fixed in:5.3.5-1ubuntu3.4USN-3397-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

2.83%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

Other references3

Related Vulnerabilities

Other CWE-476 (NULL Pointer Dereference) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-21758	High	7.5	92%	-	Fix
CVE-2023-21547	High	7.5	88%	-	Fix
CVE-2014-3470	Medium	4.3	86%	-	Fix
CVE-2021-44224	High	8.2	82%	-	Fix
CVE-2016-0742	High	7.5	82%	-	Fix
CVE-2009-1386	Medium	5.0	80%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.