What is CVE-2016-0677?

CVE-2016-0677 is a medium-severity vulnerability in Oracle Database. CVSS score: 5.9/10. Published 2016-04-21.

How severe is CVE-2016-0677?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Oracle Database

CVE-2016-0677

Unspecified vulnerability in the RDBMS Security component in Oracle Database Server 12.1.0.1 and 12.1.0.2 allows remote attackers to affect availability via unknown vectors.

Published 2016-04-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.017 (76.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Oracle Database — versions 12.1.0.1, 12.1.0.2

References

www.securitytracker.com/id/1035590 (vdb-entry)
www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html (Vendor Advisory)

Frequently asked questions

What is CVE-2016-0677?: CVE-2016-0677 is a medium-severity vulnerability in Oracle Database. CVSS score: 5.9/10. Published 2016-04-21.
How severe is CVE-2016-0677?: Medium severity. CVSS v3 base score is 5.9 out of 10.