What is CVE-2023-22901?

CVE-2023-22901 is a medium-severity vulnerability in Changingtec Mobile One Time Password, classified under Path Traversal. CVSS score: 4.9/10. Published 2023-04-27.

How severe is CVE-2023-22901?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Path Traversal in Changingtec Mobile One Time Password

CVE-2023-22901

ChangingTec MOTP system has a path traversal vulnerability. A remote attacker with administrator’s privilege can exploit this vulnerability to access arbitrary system files.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2023-04-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.009 (58.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Changingtec Mobile One Time Password
Changingtec Motp — versions unspecified

Weakness classification (CWE)

CWE-22 — Path Traversal

References

www.twcert.org.tw/tw/cp-132-7022-2cbe0-1.html (Third Party Advisory)

Frequently asked questions

What is CVE-2023-22901?: CVE-2023-22901 is a medium-severity vulnerability in Changingtec Mobile One Time Password, classified under Path Traversal. CVSS score: 4.9/10. Published 2023-04-27.
How severe is CVE-2023-22901?: Medium severity. CVSS v3 base score is 4.9 out of 10.