Vulnerability in Leostream Connection Broker

CVE-2021-41551

Leostream Connection Broker 9.0.40.17 allows administrators to conduct directory traversal attacks by uploading z ZIP file that contains a symbolic link.

Published · last modified .

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: 0.013 (68.8th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.8% 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-2021-41551: held from 0.013 to 0.013.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-41551?
CVE-2021-41551 is a medium-severity vulnerability in Leostream Connection Broker, classified under Improper Link Resolution Before File Access. CVSS score: 4.9/10. Published 2022-01-18.
How severe is CVE-2021-41551?
Medium severity. CVSS v3 base score is 4.9 out of 10.