CVE-2015-6856

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

0.52% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 42.2% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/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

2016-01-08 19:00Z10 YR AGO

Last updated

2024-08-06 07:36Z2 YR AGO

Reserved

2015-09-10

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-264

Data version

5.1

Document digest

7f2843544035bc62fe3ad4ed105d40c1c131317703e65f1c5138a79d2bd59a63

• www.korelogic.comhttps://www.korelogic.com/Resources/Advisories/KL-001-2015-008.txtx_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/134987/Dell-Authentication-Driver-Uncontrolled-Write.htmlx_refsource_MISC
• www.securityfocus.com20151218 KL-001-2015-008 : Dell Pre-Boot Authentication Driver Uncontrolled Write to Arbitrary Addresshttp://www.securityfocus.com/archive/1/537161/100/0/threadedmailing-listx_refsource_BUGTRAQ
• www.securityfocus.com79643http://www.securityfocus.com/bid/79643vdb-entryx_refsource_BID
• seclists.org20151218 KL-001-2015-008 : Dell Pre-Boot Authentication Driver Uncontrolled Write to Arbitrary Addresshttp://seclists.org/fulldisclosure/2015/Dec/81mailing-listx_refsource_FULLDISC