What is CVE-2021-42052?

CVE-2021-42052 is a high-severity vulnerability in Ipesa E-Flow, classified under Path Traversal. CVSS score: 7.5/10. Published 2022-08-16.

How severe is CVE-2021-42052?

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

Path Traversal in Ipesa E-Flow

CVE-2021-42052

IPESA e-Flow 3.3.6 allows path traversal for reading any file within the web root directory via the lib/js/build/STEResource.res path and the R query parameter.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2022-08-16 · 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: 0.011 (64.2th percentile), scored 2026-10-09.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Ipesa E-Flow — versions 3.3.6

Weakness classification (CWE)

CWE-22 — Path Traversal

References

nxnjz.net/2022/08/cve-2021-42052-full-disclosure/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-42052?: CVE-2021-42052 is a high-severity vulnerability in Ipesa E-Flow, classified under Path Traversal. CVSS score: 7.5/10. Published 2022-08-16.
How severe is CVE-2021-42052?: High severity. CVSS v3 base score is 7.5 out of 10.