CVE-2020-12831

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

1.43% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 72.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Moderate. 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

2020-05-13 17:42Z6 YR AGO

Last updated

2024-08-04 12:04Z2 YR AGO

Reserved

2020-05-13

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-732Incorrect Permission Assignment for Critical ResourceClass
• CWE-276Incorrect Default PermissionsBase

Data version

5.1

Document digest

c6acdc61a44073b54ae9daa4af00323460f56bac6d1f8e3bd9d633474621adbc

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1830805x_refsource_MISC
• github.comhttps://github.com/FRRouting/frr/pull/6383x_refsource_MISC