CVE-2020-27386

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

72.87% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 99.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2020-11-12 18:15Z5 YR AGO

Last updated

2024-08-04 16:11Z2 YR AGO

Reserved

2020-10-21

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-434Unrestricted Upload of File with Dangerous TypeBase

Data version

5.1

Document digest

c09bd40549b890c86e8a0da3cf672d1099d2be2e1a9a91d0702442fe2fcb522d

• github.comhttps://github.com/MacdonaldRobinson/FlexDotnetCMS/releases/tag/v1.5.9x_refsource_MISC
• blog.vonahi.iohttps://blog.vonahi.io/whats-in-a-re-name/x_refsource_MISC
• github.comhttps://github.com/rapid7/metasploit-framework/pull/14339x_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/160411/FlexDotnetCMS-1.5.8-Arbitrary-ASP-File-Upload.htmlx_refsource_MISC