CVE-2018-1634

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

0.42% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 34.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/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

2019-08-20 18:50Z7 YR AGO

Last updated

2024-09-16 19:30Z1 YR AGO

Reserved

2017-12-13

Assigning CNA

ibm

Record state

PUBLISHED

Severity

High (CVSS 8.2)

CNA CVSS vector

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

Weaknesses

• CWE-59Improper Link Resolution Before File Access ('Link Following')Base

Data version

5.1

Document digest

e4b1e688d19523f2e3f38373ad421f62f76e2c3b0e27cb5aaac0fbcd1b38b794

• www.ibm.comhttp://www.ibm.com/support/docview.wss?uid=ibm10964987x_refsource_CONFIRM
• exchange.xforce.ibmcloud.comibm-informix-cve20181634-priv-escalation (144437)https://exchange.xforce.ibmcloud.com/vulnerabilities/144437vdb-entryx_refsource_XF
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20190903-0002/x_refsource_CONFIRM