What is CVE-2020-5553?

CVE-2020-5553 is a critical-severity vulnerability in Keitai-Site.net Mailform, classified under Code Injection. CVSS score: 9.8/10. Published 2020-03-25.

How severe is CVE-2020-5553?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Keitai-Site.net Mailform

CVE-2020-5553

mailform version 1.04 allows remote attackers to execute arbitrary PHP code via unspecified vectors.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.023 (81.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Keitai-site.net Mailform — versions version 1.04
Mailform — versions 1.04

Weakness classification (CWE)

CWE-94 — Code Injection

References

vultures@jpcert.or.jp (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-5553?: CVE-2020-5553 is a critical-severity vulnerability in Keitai-Site.net Mailform, classified under Code Injection. CVSS score: 9.8/10. Published 2020-03-25.
How severe is CVE-2020-5553?: Critical severity. CVSS v3 base score is 9.8 out of 10.