High

CVE-2025-15623 — Sparx Pro Cloud Server reveals sensitive information to an unauthenticated user

Exposure of Private Personal Information to an Unauthorized Actor, : Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Sparx Systems Pty Ltd. Sparx Pro Cloud Server. Unauthenticated user can retrieve database password in plaintext in certain situations

Published Apr 17, 2026 · Updated Oct 13, 2026 · Sources: NIST National Vulnerability Database, CVE Program (cve.org) e CISA ADP · CNA: NCSC-FI

Low

Who exploits it and how urgent it is

A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.

No exploitation signal in the sources consulted so far.

How the score was calculated

EPSS 0.3% (30-day exploitation probability)+2
Technical severity (high)+6
Automatable exploitation (SSVC)+3

The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.

Exploitation

Not confirmed

Not in CISA KEV — an absence of record, not proof it is unexploited.

EPSS FIRST

0.26%

ahead of 17% of scored CVEs · Oct 14, 2026

Affects

Sparxsystems

Pro Cloud Server and 1 more

CVSS base

7.5

High · 3 source(s)

CISA SSVC assessment CISA

Three decision points CISA publishes for the CVEs it assesses (SSVC 2.0.3). A stakeholder decision, not a severity score.

Exploitation

None

none · proof-of-concept · active

Automatable

Yes

can an attacker script the kill-chain steps

Technical impact

Total

partial · total control of the vulnerable component

Remediation

Fixes and mitigations documented by the sources — linked to the original advisory.

No fix documented by the sources we poll. That does not mean none exists: check the vendor advisory.

First 24 hours

Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.

Identify exposed assets running the affected vendor/product/version combinations (Sparxsystems Pro Cloud Server, Sparxsystems Sparx Pro Cloud Server).
The attack is network-based and needs no privileges: restrict exposure (ACLs, VPN, WAF) until patched.
No fix documented in the sources: reduce exposure and monitor the vendor advisory.
Search available logs for exploit probes, errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

Vendor	Product	Versions	Status	Source
Sparxsystems	Pro Cloud Server	version 6.0.163	Vulnerable	NIST National Vulnerability Database
Sparxsystems	Sparx Pro Cloud Server	version 6.0.163	Vulnerable	CVE Program (cve.org) e CISA ADP

Attack characteristics

The CVSS vector, decoded. It describes the attack, not your exposure to it.

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Every base score collected

Sources score independently and may disagree; each row says who scored it and under which version.

Score	Version	Severity	Expl.	Impact	Scored by
9.3	CVSS 4.0	Critical	—	—	db4dfee8-a97e-4877-bfae-eba6d14a2166 via NIST National Vulnerability Database
9.3	CVSS 4.0	Critical	—	—	NCSC-FI via CVE Program (cve.org) e CISA ADP
7.5	CVSS 3.1	High	3.9	3.6	nvd@nist.gov via NIST National Vulnerability Database

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N (score shown at the top: nvd@nist.gov)

Weakness MITRE

Weakness class according to MITRE’s CWE catalog.

CWE-359

Other CVEs with this weakness →

EPSS over time FIRST

Oct 13, 2026 → Oct 14, 2026 · 2 reading(s) · max 0.26%

Detection

Read off the CVSS vector and the weakness class. Starting points, not tested rules.

Prioritize edge telemetry for the network-reachable component (proxy, WAF, IDS/IPS).

web/proxy/WAF logsnetwork IDS/IPS

Timeline

What happened to this CVE, newest first.

2026
Affected products added · sparx systems pty ltd./sparx pro cloud server
Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
SSVC assessment updated
Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
Record published
Oct 13, 2026
CVSS changed · 7.5
Oct 13, 2026 · NIST National Vulnerability Database
Source status changed · → Analyzed
Oct 13, 2026 · NIST National Vulnerability Database
Record created in this database
Oct 13, 2026 · NIST National Vulnerability Database
CVE published
Apr 17, 2026 · NCSC-FI

Source activity

Repeated readings are counted rather than listed.

1× Official description updated · Oct 13, 2026 – Oct 13, 2026

References

1 on the record

sparxsystems.com/products/procloudserver/6.1/history.html
Release Notes, NIST National Vulnerability Database

Elsewhere on this site

Sparxsystems
every CVE for this vendor

CWE-359
other pages naming this weakness

Related CVEs (same products)

High CVE-2026-42100 DoS in Sparx Pro Cloud Server May 19, 2026
High CVE-2026-42096 Broken Access Control in Sparx Pro Cloud Server May 19, 2026
High CVE-2026-42097 Authentication Bypass in Sparx Pro Cloud Server May 19, 2026
High CVE-2026-42099 Race Condition in Sparx Pro Cloud Server May 19, 2026
High CVE-2025-15624 Plaintext Storage of a Password in Sparx Pro Cloud Server. Apr 17, 2026
Critical CVE-2025-15625 Unauthenticated execution of arbitrary SQL queries in Sparx Pro Cloud Server Apr 17, 2026

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

No fixed version, patch or mitigation documented.
No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
No exploit packet captures, log samples, or incident case IDs supplied.

Answered from this record

Text assembled only from the fields above — no additional claims.

What should defenders know first?

CVE-2025-15623 is "Sparx Pro Cloud Server reveals sensitive information to an unauthenticated user", rated High. It affects Pro Cloud Server (Sparxsystems); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 7.5 describes technical severity. EPSS 0.26% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.

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