What is CVE-2021-20579?

CVE-2021-20579 is a medium-severity vulnerability in HP Hp-Ux. CVSS score: 6.5/10. Published 2021-06-24.

How severe is CVE-2021-20579?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in HP Hp-Ux

CVE-2021-20579

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 could allow a user who can create a view or inline SQL function to obtain sensitive information when AUTO_REVAL is set to DEFFERED_FORCE. IBM X-Force ID: 199283.

Published 2021-06-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.011 (64.7th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

HP Hp-Ux
IBM Aix
IBM Db2 — versions 9.7, 10.1, 10.5
IBM Db2 For Linux, Unix And Windows — versions 10.5, 10.1, 9.7
Linux Kernel
Microsoft Windows
Oracle Solaris

References

www.ibm.com/support/pages/node/6466369 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/199283 (VDB Entry, vdb-entry, Vendor Advisory)
security.netapp.com/advisory/ntap-20210720-0006/ (Third Party Advisory)

Frequently asked questions

What is CVE-2021-20579?: CVE-2021-20579 is a medium-severity vulnerability in HP Hp-Ux. CVSS score: 6.5/10. Published 2021-06-24.
How severe is CVE-2021-20579?: Medium severity. CVSS v3 base score is 6.5 out of 10.