CVE-2018-1771

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

0.48% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 39.7% 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

2018-12-20 14:00Z7 YR AGO

Last updated

2024-09-17 03:02Z1 YR AGO

Reserved

2017-12-13

Assigning CNA

ibm

Record state

PUBLISHED

Severity

High (CVSS 8.4)

CNA CVSS vector

CVSS:3.0/A:H/AC:L/AV:L/C:H/I:H/PR:N/S:U/UI:N/E:U/RC:C/RL:O

Weaknesses

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

Data version

5.1

Document digest

c899a8e3ba016a703d5fada8de8d06002662548381ef0ab3297d825e83a7c077

• exchange.xforce.ibmcloud.comibm-notes-cve20181771-priv-escalation(148687)https://exchange.xforce.ibmcloud.com/vulnerabilities/148687vdb-entryx_refsource_XF
• www.ibm.comhttps://www.ibm.com/support/docview.wss?uid=ibm10743405x_refsource_CONFIRM