CVE-2015-8559

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

1.93% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 78.2% 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:3.1/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

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

2017-09-21 14:00Z8 YR AGO

Last updated

2024-08-06 08:20Z2 YR AGO

Reserved

2015-12-14

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass

Data version

5.1

Document digest

daa70ece3b1a9173d6a881019934953c6cf7e0a4b5c91c4f00f56e1f6cf75ccb

• www.openwall.com[oss-security] 20151214 Re: Chef: knife bootstrap leaks validator privkey into system logshttp://www.openwall.com/lists/oss-security/2015/12/14/14mailing-listx_refsource_MLIST
• github.comhttps://github.com/chef/chef/issues/3871x_refsource_CONFIRM
• discourse.chef.iohttps://discourse.chef.io/t/chef-infra-client-15-4-45-released/16081x_refsource_MISC
• github.comhttps://github.com/chef/chef/pull/8885x_refsource_MISC