CVE-2018-1121

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

4.19% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 90.2% 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:H/A:N

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

2018-06-13 20:00Z8 YR AGO

Last updated

2024-08-05 03:51Z2 YR AGO

Reserved

2017-12-04

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Low (CVSS 3.9)

CNA CVSS vector

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

Weaknesses

• CWE-367Time-of-check Time-of-use (TOCTOU) Race ConditionBase
• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class

Data version

5.1

Document digest

d9e252f10d60d05d8066a4bc9596b2de53c3ed88cd530e5cc919f3c5508984c7

• www.exploit-db.com44806https://www.exploit-db.com/exploits/44806/exploitx_refsource_EXPLOIT-DB
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1121x_refsource_CONFIRM
• www.securityfocus.com104214http://www.securityfocus.com/bid/104214vdb-entryx_refsource_BID
• seclists.org[oss-security] 20180517 Qualys Security Advisory - Procps-ng Audit Reporthttp://seclists.org/oss-sec/2018/q2/122mailing-listx_refsource_MLIST
• www.qualys.comhttps://www.qualys.com/2018/05/17/procps-ng-audit-report-advisory.txtx_refsource_MISC