PT-2019-19725 · Eq 3 · Homematic Ccu2+1

Psytester · Published 2019-08-14 · Updated 2020-04-10 · CVE-2019-9583

Positive Technologies (AI Summary)

CVSS v3.1

8.2

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Name of the Vulnerable Software and Affected Versions eQ-3 Homematic CCU2 versions 2.35.16, 2.41.5, 2.41.8, 2.41.9, 2.45.6, 2.45.7, 2.47.10, 2.47.12, 2.47.15 eQ-3 Homematic CCU3 versions 3.41.11, 3.43.16, 3.45.5, 3.45.7, 3.47.10, 3.47.15

Description The issue allows an attacker to obtain session IDs without logging in, potentially leading to a Denial of Service and serving as a starting point for other attacks.

Recommendations For eQ-3 Homematic CCU2 versions 2.35.16, 2.41.5, 2.41.8, 2.41.9, 2.45.6, 2.45.7, 2.47.10, 2.47.12, 2.47.15, update to a version that fixes the issue. For eQ-3 Homematic CCU3 versions 3.41.11, 3.43.16, 3.45.5, 3.45.7, 3.47.10, 3.47.15, update to a version that fixes the issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2019-9583

Affected Products

Homematic Ccu2

Homematic Ccu3

References · 4

• 🔥 https://github.com/psytester/psytester.github.io/blob/master/_posts/hacking_and_pentests/CVEs/2019-03-27-CVE-2019-9583.md · Exploit
• 🔥 https://psytester.github.io/CVE-2019-9583 · Exploit
• https://osv.dev/vulnerability/CVE-2019-9583 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-9583 · Security Note