CVE-2020-8639

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

15.86% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 96.6% 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

2020-04-03 18:36Z6 YR AGO

Last updated

2024-08-04 10:03Z2 YR AGO

Reserved

2020-02-05

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-434Unrestricted Upload of File with Dangerous TypeBase

Data version

5.1

Document digest

3c0629c3fdc158e2c89a100dfa5fd8f1a5df5c03a470364868e57a48d83fdf38

• ackcent.comhttps://ackcent.com/blog/testlink-1.9.20-unrestricted-file-upload-and-sql-injection/x_refsource_MISC
• github.comhttps://github.com/TestLinkOpenSourceTRMS/testlink-code/commit/57d81ae350d569c5c95087997fe051c49e14516dx_refsource_CONFIRM
• packetstormsecurity.comhttp://packetstormsecurity.com/files/161401/TestLink-1.9.20-Shell-Upload.htmlx_refsource_MISC