CVE-2021-20515

MEDIUM

IBM Informix Dynamic Server <14.10 - Buffer Overflow

Title source: llm
STIX 2.1

Description

IBM Informix Dynamic Server 14.10 is vulnerable to a stack based buffer overflow, caused by improper bounds checking. A local privileged user could overflow a buffer and execute arbitrary code on the system or cause a denial of service condition. IBM X-Force ID: 198366.

References (2)

Core 2
Core References
Patch, Vendor Advisory x_refsource_confirm
https://www.ibm.com/support/pages/node/6448568
VDB Entry, Vendor Advisory vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/198366

Scores

CVSS v3 6.7
EPSS 0.0032
EPSS Percentile 23.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (1)
ibm/informix_dynamic_server 14.10
Published Apr 30, 2021
Tracked Since Feb 18, 2026