What is CVE-2022-21193?

CVE-2022-21193 is a high-severity vulnerability in Dounokouno Transmitmail, classified under Path Traversal. CVSS score: 7.5/10. Published 2022-02-08.

How severe is CVE-2022-21193?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Dounokouno Transmitmail

CVE-2022-21193

Directory traversal vulnerability in TransmitMail 2.5.0 to 2.6.1 allows a remote unauthenticated attacker to obtain an arbitrary file on the server via unspecified vectors.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2022-02-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.020 (80.0th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Dounokouno Transmitmail
Tagawa Takao Transmitmail — versions 2.5.0 to 2.6.1

Weakness classification (CWE)

CWE-22 — Path Traversal

References

dounokouno.com/2022/01/25/about-the-vulnerability-of-transmitmail-v2-5-0-v2-6-1/ (Vendor Advisory)
jvn.jp/en/jp/JVN70100915/index.html (Third Party Advisory)

Frequently asked questions

What is CVE-2022-21193?: CVE-2022-21193 is a high-severity vulnerability in Dounokouno Transmitmail, classified under Path Traversal. CVSS score: 7.5/10. Published 2022-02-08.
How severe is CVE-2022-21193?: High severity. CVSS v3 base score is 7.5 out of 10.