CVE-2020-28339

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

1.90% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 77.9% 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

2020-11-07 18:16Z5 YR AGO

Last updated

2024-08-04 16:33Z2 YR AGO

Reserved

2020-11-07

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-502Deserialization of Untrusted DataBase

Data version

5.1

Document digest

c03498c5706c42dce8ffc6b7060a4605ff98075ea7e26dd832017c7ce61a4ac6

• www.wordfence.comhttps://www.wordfence.com/blog/2020/11/object-injection-vulnerability-in-welcart-e-commerce-plugin/x_refsource_MISC
• wordpress.orghttps://wordpress.org/plugins/usc-e-shop/#developersx_refsource_MISC