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No exploitation reportedFix available

CVE-2019-18956

No exploitation reported by the sources we read.

  • Published2019-12-17
  • Fixed in20.0.13 · 19.4.13 · 19.3.37 · 19.2.41 · 19.1.19 · 19.0.13
  • WeaknessCWE-502

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2019-12-1716:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-18956?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-18956?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Divisait dv2eemvc
BranchAffectedFixed in
20.0≥ 20.0, < 20.0.1320.0.13
19.4≥ 19.4, < 19.4.1319.4.13
19.3≥ 19.3, < 19.3.3719.3.37
19.2≥ 19.2, < 19.2.4119.2.41
19.1≥ 19.1, < 19.1.1919.1.19
19.0≥ 19.0, < 19.0.1319.0.13
18.6≥ 18.6, < 18.6.4218.6.42
17.x≥ 17-62, ≤ 17-147no fix published
Divisait proxia suite
BranchAffectedFixed in
10.1≥ 10.1, < 10.1.510.1.5
10.0≥ 10.0, < 10.0.3210.0.32
9.x≥ 9.0, < 9.12.169.12.16
Divisait sparkspace
BranchAffectedFixed in
1.2≥ 1.2, < 1.2.41.2.4
1.1≥ 1.1, < 1.1.21.1.2
1.0≥ 1.0, < 1.0.301.0.30

1 more product in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Divisait dv2eemvc to 20.0.13 · 19.4.13 · 19.3.37 · 19.2.41 · 19.1.19 · 19.0.13 · 18.6.42

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.19.8read 2026-10-23
  • NVDCVSS 2.07.5read 2026-10-23
  • NVDweakness (CWE)CWE-502read 2026-10-23
  • FIRST EPSSEPSS score5.8 %2026-11-03

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2019-12-17
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2019-18956?

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.

Is CVE-2019-18956 actively exploited?

Active exploitation of CVE-2019-18956 has not been confirmed. Its EPSS score was 5.8% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-18956?

CVE-2019-18956 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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