What is CVE-2021-35066?

CVE-2021-35066 is a critical-severity vulnerability in Connectwise Automate, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2021-06-21.

How severe is CVE-2021-35066?

Critical severity. CVSS v3 base score is 9.8 out of 10.

XXE in Connectwise Automate

CVE-2021-35066

An XXE vulnerability exists in ConnectWise Automate before 2021.0.6.132.

Vulnerability class: XXE (XML External Entity)

EPSS: 0.011 (60.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Connectwise Automate
N/a — versions n/a

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Permissions Required, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-35066?: CVE-2021-35066 is a critical-severity vulnerability in Connectwise Automate, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2021-06-21.
How severe is CVE-2021-35066?: Critical severity. CVSS v3 base score is 9.8 out of 10.