CVE-2015-3991

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

4.56% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 90.9% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2017-09-07 20:00Z8 YR AGO

Last updated

2024-08-06 06:04Z2 YR AGO

Reserved

2015-05-15

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-19

Data version

5.1

Document digest

4d09e971f7df860e8c8ad5a592fdd6456ca65de2f7eb2e8ced3a4c7288fd3854

• lists.fedoraproject.orgFEDORA-2015-5247http://lists.fedoraproject.org/pipermail/package-announce/2015-August/164276.htmlvendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2015-5279http://lists.fedoraproject.org/pipermail/package-announce/2015-August/164278.htmlvendor-advisoryx_refsource_FEDORA
• www.strongswan.orghttps://www.strongswan.org/blog/2015/06/01/strongswan-vulnerability-%28cve-2015-3991%29.htmlx_refsource_CONFIRM
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1222815x_refsource_CONFIRM
• www.securityfocus.com76861http://www.securityfocus.com/bid/76861vdb-entryx_refsource_BID