CVE-2015-8521

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

2.77% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 86.2% 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

2016-04-04 14:00Z10 YR AGO

Last updated

2024-08-06 08:20Z2 YR AGO

Reserved

2015-12-08

Assigning CNA

ibm

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

f0ac11b0a2f20c807211ebb0acc8964e262a646c3b38d27b63343d0ee9b983d8

• www.securityfocus.com84167http://www.securityfocus.com/bid/84167vdb-entryx_refsource_BID
• www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=swg21975536x_refsource_CONFIRM