CVE-2021-20515

medium

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

https://www.ibm.com/support/pages/node/6448568

https://exchange.xforce.ibmcloud.com/vulnerabilities/198366

https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-7933

Details

Source: Mitre, NVD

Published: 2021-04-30

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 6.7

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Severity: Medium

EPSS

EPSS: 0.00074