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CVE-2018-1631

20
FAUCET Score

CVE-2018-1631 describes a local privilege escalation vulnerability in IBM Informix Dynamic Server Enterprise Edition 12.1. A database administrator can exploit a symbolic link vulnerability in the oninit mongohash component to gain root privileges. This medium-severity vulnerability has a CVSS score of 6.7, indicating high impact on confidentiality, integrity, and availability with low attack complexity. There is no public exploit code available, nor any evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
12.1CPE matchmatch criteria
cpe:2.3:a:ibm:informix_dynamic_server:12.1:*:*:*:enterprise:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.2HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.5
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.42%
Probability of exploitation in next 30 days
EPSS Percentile
34.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0042 is in the 84th percentile among its peer group of 3,720 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exchange.xforce.ibmcloud.com / vulnerabilities/144431
VDB EntryVendor Advisory
security.netapp.com / advisory/ntap-20190903-0002
Third Party Advisory
ibm.com / support/docview.wss
Vendor Advisory