---
cve: "CVE-2026-3518"
severity: "HIGH"
cvss: 8.4
epss: "16.9%"
vendor: "Progress Software"
kev: false
exploited: false
published: "2026-04-20 14:16:19"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-11-07T22:51:23+01:00"
---

# CVE-2026-3518

> 8.4 HIGH

## Beschreibung

OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an authenticated attacker with “All” permissions to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in the 'killsession' command

## CNA-Record (Kanon, cvelistV5)

- CNA: **ProgressSoftware**
- State: PUBLISHED
- Stand: 2026-04-22 03:55:52
- CNA-CVSS: **8.4** (`CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **total**

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Benachbart | warn |
| AC Komplexität | Gering | bad |
| PR Privilegien | Hoch | good |
| UI Interaktion | Keine | bad |
| S Scope | Verändert | bad |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Schwachstellen-Klasse

- **CWE-77** — Improper Neutralization of Special Elements used in a Command
  The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

## Angriffsmuster (CAPEC)

- [CAPEC-15 — Command Delimiters](https://capec.mitre.org/data/definitions/15.html) _(Severity: High)_
- [CAPEC-40 — Manipulating Writeable Terminal Devices](https://capec.mitre.org/data/definitions/40.html) _(Severity: Very High)_
- [CAPEC-43 — Exploiting Multiple Input Interpretation Layers](https://capec.mitre.org/data/definitions/43.html) _(Severity: High)_
- [CAPEC-75 — Manipulating Writeable Configuration Files](https://capec.mitre.org/data/definitions/75.html) _(Severity: Very High)_
- [CAPEC-76 — Manipulating Web Input to File System Calls](https://capec.mitre.org/data/definitions/76.html) _(Severity: Very High)_
- [CAPEC-136 — LDAP Injection](https://capec.mitre.org/data/definitions/136.html) _(Severity: High)_
- [CAPEC-183 — IMAP/SMTP Command Injection](https://capec.mitre.org/data/definitions/183.html) _(Severity: Medium)_
- [CAPEC-248 — Command Injection](https://capec.mitre.org/data/definitions/248.html) _(Severity: High)_

## BSI-Hinweise (deutsch)

- [Kemp LoadMaster und Progress Software MOVEit WAF: Mehrere Schwachstellen](https://wid.cert-bund.de/portal/wid/sicherheitshinweis/WID-SEC-W-2026-1185) — _BSI-Einstufung: hoch_
  Ein Angreifer kann mehrere Schwachstellen in Kemp LoadMaster und Progress Software MOVEit WAF ausnutzen, um beliebigen Programmcode auszuführen oder Sicherheitsmaßnahmen zu umgehen.

## Referenzen

- <https://community.progress.com/s/article/LoadMaster-Security-Vulnerabilites-CVE-2026-3517-CVE-2026-3518-CVE-2026-3519-CVE-2026-4048-CVE-2026-21876>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-3518/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_