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.

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

EPSS: 0.018 (75.9th percentile) — read the EPSS interpretation.

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.

Affected products

Quicklert — versions 10.0.0
N/a — versions n/a

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

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.