CVE-2019-15849 — HIGH (7.3)

Vulnerability Description

eQ-3 HomeMatic CCU3 firmware 3.41.11 allows session fixation. An attacker can create session IDs and send them to the victim. After the victim logs in to the session, the attacker can use that session. The attacker could create SSH logins after a valid session and easily compromise the system.

CVSS Score

7.3

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Eq-3	Homematic Ccu3 Firmware	3.14.11
Eq-3	Homematic Ccu3	-

Related Weaknesses (CWE)

CWE-384

References

https://noskill1337.github.io/homematic-ccu3-session-fixationExploitMitigationThird Party Advisory
https://www.eq-3.com/products/homematic.htmlVendor Advisory
https://noskill1337.github.io/homematic-ccu3-session-fixationExploitMitigationThird Party Advisory
https://www.eq-3.com/products/homematic.htmlVendor Advisory

FAQ

What is CVE-2019-15849?

CVE-2019-15849 is a vulnerability with a CVSS score of 7.3 (HIGH). eQ-3 HomeMatic CCU3 firmware 3.41.11 allows session fixation. An attacker can create session IDs and send them to the victim. After the victim logs in to the session, the attacker can use that session...

How severe is CVE-2019-15849?

CVE-2019-15849 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-15849?

Check the references section above for vendor advisories and patch information. Affected products include: Eq-3 Homematic Ccu3 Firmware, Eq-3 Homematic Ccu3.