KEV Intelligence

Vulnerability report

Active exploitation observed Confirmed confidence Not in CISA KEV

CVE-2025-2777

SysAid On-Prem <= 23.3.40 lshw Proceessing XML External Entity Injection

SysAid / SysAid On-Prem · 0 to <= 23.3.40

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Severity
CVSS 9.3 · Critical
Confidence
Confirmed
Exploit status
Observed in sensors
EPSS
72.2%
First observed
12 Jun 2026
Last observed
12 Aug 2026

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2025-2777 is an unauthenticated SysAid On-Prem <= 23.3.40 lshw Proceessing XML External Entity Injection.

Is it exploited?

Yes. KEV Intelligence sensors observed exploitation attempts with confirmed confidence.

Who is affected?

SysAid / SysAid On-Prem 0 to <= 23.3.40.

What should we do?

Patch immediately, validate internet-facing exposure, and monitor for matching requests.

Overview

SysAid On-Prem <= 23.3.40 lshw Proceessing XML External Entity Injection

SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the lshw processing functionality, allowing for administrator account takeover and file read primitives.

Vendor Product Affected Status
SysAid SysAid On-Prem Through 23.3.40 Affected
View vendor advisory (opens in new tab)
Published
07 May 2025
Exploitation Reported
24 Jun 2025
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

Tags

nuclei_scanner

CVE References

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

The Shadowserver

Recorded 24 Jun 2025

Independent exploitation attestation added to the KEV Intelligence record.

Active exploitation observed

KEV Intelligence sensor

First observed 12 Jun 2026

First-party sensor telemetry confirms matching exploitation attempts.

Proof of concept available

Nuclei Templates

Recorded 12 Jun 2026

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source Added
The Shadowserver First 2025-06-24 00:00 UTC
KEV Intelligence 2026-08-13 09:05 UTC

Operational indicators for this CVE are listed under Detection.

Sensor telemetry

First-party evidence of exploitation activity

Aggregate observations show the scale, recency, and distribution of activity without overstating sparse data.

5

Attempts observed

3

Unique attacker IPs

3

Attacker countries

JP · NL · US

4

Sensors observed

Exploitation attempts over the last 70 days

Daily events observed by KEV Intelligence sensors

Updated 19 Aug 2026

0
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
2
0
0
0
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
11 Jun 25 Jun 9 Jul 23 Jul 19 Aug

First observed 12 Jun 2026 · Last observed 12 Aug 2026

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Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
1
User-Agents
5

Raw values available in Pro and Enterprise.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

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Attacker IP Indicators

Attacker IP indicators observed · available in Pro and Enterprise.

Sensor-derived attacker IP indicators are available to Pro and Enterprise accounts under Detection and through the Pro API.

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Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner Reference Detected
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-2777.yaml 01 Jun 2026

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

9.3 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L

EPSS

72.2%

Weaknesses

Improper Restriction of XML External Entity Reference CWE-611

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

SysAid On-Prem <= 23.3.40 - XML External Entity

nuclei · Created Unknown

Timeline

From disclosure to observed exploitation

  1. Public PoC available

    Public proof-of-concept code published

  2. Observed by KEV Intelligence sensors

    Evidence-backed exploitation signal

  3. Indicators of compromise added (9)

    Indicators of compromise recorded

  4. Nuclei template available

    Scanner coverage available

  5. Added to KEV Intelligence KEV Feed

    High-confidence, third-party attested exploitation

  6. CVE published

    Vulnerability disclosed publicly

  7. CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2025-2777

Free JSON includes basic KEV fields 
{
  "cve_id": "CVE-2025-2777",
  "confidence": "Confirmed",
  "cvss_score": 9.3,
  "cvss_estimated": false,
  "epss_score": 0.72202,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": true
  },
  "sensor_telemetry": { "attempts": 5, "sensors": 4 }
}

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