CVE-2018-15497

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

4.87% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 91.4% of scored records. A rank, not a probability.

NVD base score

9.8 (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: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

2018-10-23 21:00Z7 YR AGO

Last updated

2024-08-05 09:54Z2 YR AGO

Reserved

2018-08-17

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

5cded52400119ff71aa5b680df909f7cc3b949e2b1a55f73df0975ae6b3dd075

• www.nccgroup.trusthttps://www.nccgroup.trust/uk/our-research/technical-advisory-mitel-mivoice-5330e-memory-corruption-flaw/x_refsource_MISC
• www.mitel.comhttps://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-18-0009x_refsource_CONFIRM