CVE-2020-12656

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.33% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 26.2% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-05-05 05:42Z6 YR AGO

Last updated

2024-08-04 12:04Z2 YR AGO

Reserved

2020-05-05

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-401Missing Release of Memory after Effective LifetimeVariant

Data version

5.1

Document digest

90934133f3c161444124dba90dee58d90fc31c01771f576d27b4696dfa1eb679

• bugzilla.kernel.orghttps://bugzilla.kernel.org/show_bug.cgi?id=206651x_refsource_MISC
• lists.opensuse.orgopenSUSE-SU-2020:0801http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2020:0935http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.htmlvendor-advisoryx_refsource_SUSE
• usn.ubuntu.comUSN-4483-1https://usn.ubuntu.com/4483-1/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-4485-1https://usn.ubuntu.com/4485-1/vendor-advisoryx_refsource_UBUNTU