CVE-2015-3405

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

5.29% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 92.2% of scored records. A rank, not a probability.

NVD base score

7.5 (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:N/A:N

NVD analysis status

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

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

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

2017-08-09 16:00Z9 YR AGO

Last updated

2024-08-06 05:47Z2 YR AGO

Reserved

2015-04-23

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-331Insufficient EntropyBase
• CWE-1241Use of Predictable Algorithm in Random Number GeneratorBase

Data version

5.1

Document digest

340348f76f4a0c8526cee7f672ab93914869e62484a7b51b09549749ba132254

• lists.fedoraproject.orgFEDORA-2015-5830http://lists.fedoraproject.org/pipermail/package-announce/2015-April/156248.htmlvendor-advisoryx_refsource_FEDORA
• rhn.redhat.comRHSA-2015:2231http://rhn.redhat.com/errata/RHSA-2015-2231.htmlvendor-advisoryx_refsource_REDHAT
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1210324x_refsource_CONFIRM
• www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlx_refsource_CONFIRM
• www.debian.orgDSA-3388http://www.debian.org/security/2015/dsa-3388vendor-advisoryx_refsource_DEBIAN
• lists.opensuse.orgSUSE-SU-2015:1173http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00000.htmlvendor-advisoryx_refsource_SUSE
• www.securityfocus.com74045http://www.securityfocus.com/bid/74045vdb-entryx_refsource_BID
• www.oracle.comhttp://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.htmlx_refsource_CONFIRM
• bugs.ntp.orghttps://bugs.ntp.org/show_bug.cgi?id=2797x_refsource_CONFIRM
• rhn.redhat.comRHSA-2015:1459http://rhn.redhat.com/errata/RHSA-2015-1459.htmlvendor-advisoryx_refsource_REDHAT
• support.hpe.comhttps://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03886en_usx_refsource_CONFIRM
• bk1.ntp.orghttp://bk1.ntp.org/ntp-stable/?PAGE=patch&REV=55199296N2gFqH1Hm5GOnhrk9Ypyggx_refsource_CONFIRM
• www.debian.orgDSA-3223http://www.debian.org/security/2015/dsa-3223vendor-advisoryx_refsource_DEBIAN
• www.openwall.com[oss-security] 20150423 Re: CVE request: ntp-keygen may generate non-random symmetric keys on big-endian systemshttp://www.openwall.com/lists/oss-security/2015/04/23/14mailing-listx_refsource_MLIST