Arbitrary file upload in Quicklert

CVE-2021-43970

An arbitrary file upload vulnerability exists in albumimages.jsp in Quicklert for Digium 10.0.0 (1043) via a .mp3;.jsp filename for a file that begins with audio data bytes. It allows an authenticated (low privileged) attacker to execute remote code on the target server within the context of application's permissions (SYSTEM).

Vulnerability class: Unrestricted File Upload

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.018 (77.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-43970: held from 0.018 to 0.018.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-43970?
CVE-2021-43970 is a high-severity vulnerability in Quicklert, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2022-03-10.
How severe is CVE-2021-43970?
High severity. CVSS v3 base score is 8.8 out of 10.