CVE-2016-6515

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

58.57% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 99.0% 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:N/I:N/A:H

NVD analysis status

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

Red Hat severity

Moderate. 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

2016-08-07 00:00Z10 YR AGO

Last updated

2024-08-06 01:29Z2 YR AGO

Reserved

2016-08-01

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-20Improper Input ValidationClass
• CWE-770Allocation of Resources Without Limits or ThrottlingBase

Data version

5.1

Document digest

a26c135175873825870f0c9d7b5906c1393fbc3f3cfa493ad96a30871b0ab7a2

• support.hpe.comhttps://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03779en_us
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20171130-0003/
• github.comhttps://github.com/openssh/openssh-portable/commit/fcd135c9df440bcd2d5870405ad3311743d78d97
• packetstormsecurity.comhttp://packetstormsecurity.com/files/140070/OpenSSH-7.2-Denial-Of-Service.html
• www.exploit-db.com40888https://www.exploit-db.com/exploits/40888/exploit
• www.securityfocus.com92212http://www.securityfocus.com/bid/92212vdb-entry
• security.freebsd.orgFreeBSD-SA-17:06https://security.FreeBSD.org/advisories/FreeBSD-SA-17:06.openssh.ascvendor-advisory
• www.oracle.comhttp://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
• www.securitytracker.com1036487http://www.securitytracker.com/id/1036487vdb-entry
• lists.fedoraproject.orgFEDORA-2016-4a3debc3a6https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X2L6RW34VFNXYNVVN2CN73YAGJ5VMTFU/vendor-advisory
• access.redhat.comRHSA-2017:2029https://access.redhat.com/errata/RHSA-2017:2029vendor-advisory
• lists.debian.org[debian-lts-announce] 20180910 [SECURITY] [DLA 1500-1] openssh security updatehttps://lists.debian.org/debian-lts-announce/2018/09/msg00010.htmlmailing-list
• openwall.com[oss-security] 20160801 Announce: OpenSSH 7.3 releasedhttp://openwall.com/lists/oss-security/2016/08/01/2mailing-list
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-676336.pdf
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf