CVE-2019-18956: Divisait DV2EEMVC

Critical severity, CVSS 9.8. EPSS: 5.8% chance of exploitation in the next 30 days.

Divisa Proxia Suite 9 < 9.12.16, 9.11.19, 9.10.26, 9.9.8, 9.8.43 and 9.7.10, 10.0 < 10.0.32, and 10.1 < 10.1.5, SparkSpace 1.0 < 1.0.30, 1.1 < 1.1.2, and 1.2 < 1.2.4, and Proxia PHR 1.0 < 1.0.30 and 1.1 < 1.1.2 allows remote code execution via untrusted Java deserialization. The proxia-error cookie is insecurely deserialized in every request (GET or POST). Thus, an unauthenticated attacker can easily craft a seria1.0lized payload in order to execute arbitrary code via the prepareError function in the com.divisait.dv2ee.controller.MVCControllerServlet class of the dv2eemvc.jar component. allows remote code execution via untrusted Java deserialization. The proxia-error cookie is insecurely deserialized in every request (GET or POST). Thus, an unauthenticated attacker can easily craft a serialized payload in order to execute arbitrary code via the prepareError function in the com.divisait.dv2ee.controller.MVCControllerServlet class of the dv2eemvc.jar component. Affected products include Proxia Premium Edition 2017 and Sparkspace.

Affected products

• Divisait DV2EEMVC: from 17-62, up to and including 17-147; from 18.6, before 18.6.42 (fixed in 18.6.42); from 19.0, before 19.0.13 (fixed in 19.0.13); from 19.1, before 19.1.19 (fixed in 19.1.19); from 19.2, before 19.2.41 (fixed in 19.2.41); from 19.3, before 19.3.37 (fixed in 19.3.37); …
• Divisait Proxia Phr: from 1.0, before 1.0.30 (fixed in 1.0.30); from 1.1, before 1.1.2 (fixed in 1.1.2)
• Divisait Proxia Suite: from 9.0, before 9.12.16 (fixed in 9.12.16); from 10.0, before 10.0.32 (fixed in 10.0.32); from 10.1, before 10.1.5 (fixed in 10.1.5)
• Divisait Sparkspace: from 1.0, before 1.0.30 (fixed in 1.0.30); from 1.1, before 1.1.2 (fixed in 1.1.2); from 1.2, before 1.2.4 (fixed in 1.2.4)

Published 2019-12-17. Last modified 2026-06-17.