CVE-2018-1000500

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

2.48% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 84.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/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

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

2018-06-26 16:00Z8 YR AGO

Last updated

2025-06-09 15:31Z1 YR AGO

Reserved

2018-05-27

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weaknesses

• CWE-295Improper Certificate ValidationBase

Data version

5.1

Document digest

5afcf7b18c9688c698c8b05843e958767d25477872f5be26c371cd10ce592334

• lists.busybox.nethttp://lists.busybox.net/pipermail/busybox/2018-May/086462.htmlx_refsource_MISC
• git.busybox.nethttps://git.busybox.net/busybox/commit/?id=45fa3f18adf57ef9d743038743d9c90573aeeb91x_refsource_CONFIRM
• usn.ubuntu.comUSN-4531-1https://usn.ubuntu.com/4531-1/vendor-advisoryx_refsource_UBUNTU