CVE-2020-27304

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

3.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 87.2% of scored records. A rank, not a probability.

NVD base score

9.8 (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:H/I:H/A:H

NVD analysis status

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

Red Hat severity

Important. 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

2021-10-21 15:42Z4 YR AGO

Last updated

2024-08-04 16:11Z2 YR AGO

Reserved

2020-10-19

Assigning CNA

VDOO

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-23Relative Path TraversalBase
• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base

Data version

5.1

Document digest

bc0d8d31bc498afcc00df2d835cba5cc67bd030f29befcfdd2e88ab23b55a315

• jfrog.comhttps://jfrog.com/blog/cve-2020-27304-rce-via-directory-traversal-in-civetweb-http-server/x_refsource_MISC
• groups.google.comhttps://groups.google.com/g/civetweb/c/yPBxNXdGgJQx_refsource_MISC
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfx_refsource_CONFIRM
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdfx_refsource_CONFIRM