CVE-2018-1172

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

8.61% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 94.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. 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

2018-05-16 21:00Z8 YR AGO

Last updated

2024-08-05 03:51Z2 YR AGO

Reserved

2017-12-05

Assigning CNA

zdi

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.1

Document digest

78aa8ec555205e47d662d9f291f89b6a1f7d81cc58ae168cd274ae192453a43f

• zerodayinitiative.comhttps://zerodayinitiative.com/advisories/ZDI-18-309x_refsource_MISC
• www.squid-cache.orghttp://www.squid-cache.org/Advisories/SQUID-2018_3.txtx_refsource_CONFIRM