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CVE-2026-20030

CRITICAL(10.0)

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

Risk Signal Score25/100 — MITTEL
  • CVSS 10 — Kritisch

Erwähnungen (letzte 60 Tage)

Artikel

EPSS-Score

0.5%

Exploit-Wahrscheinlichkeit (30 Tage)

CVSS Score

10

Technische Schwere

Beschreibung

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Crosswork engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20030 are related to improper neutralization of special elements used in a SQL command issues that are grouped under the Common Weakness Enumeration (CWE) CWE-89.

Erkennung & Indikatoren

Ausnutzung

These vulnerabilities were found during internal testing and are not known to be actively exploited.

Behobene Versionen

  • 7.2.1-SP

Threat-Hunting-Queries

The vulnerability is a SQL Injection (CWE-89). Detection should focus on unusual database queries, unexpected command execution, or anomalous network traffic originating from the affected Cisco Crosswork platforms.

Sentinel/Defender KQL

DeviceProcessEvents
| where InitiatingProcessFileName in ("java", "python", "node") // Assuming common application runtimes for Cisco Crosswork
| where FileName in ("sqlplus", "psql", "mysql", "isql") or ProcessCommandLine contains "SELECT" or ProcessCommandLine contains "INSERT" or ProcessCommandLine contains "UPDATE" or ProcessCommandLine contains "DELETE"
| where InitiatingProcessParentFileName contains "crosswork" // Refine based on actual Cisco Crosswork process names
| summarize count() by DeviceName, InitiatingProcessFileName, ProcessCommandLine, RemoteIP, RemotePort
| where count_ > 5 // Adjust threshold to reduce false positives
| project DeviceName, InitiatingProcessFileName, ProcessCommandLine, RemoteIP, RemotePort

Splunk SPL

index=your_cisco_crosswork_logs sourcetype=your_application_logs (sql_query=* OR db_command=*) (SELECT OR INSERT OR UPDATE OR DELETE) | rex field=sql_query "(?<sql_injection_attempt>.*(?:'|%27|\"|%22|--|%2D%2D|;))" | where isnotnull(sql_injection_attempt) | stats count by host, source, sql_query | where count > 5

Sigma

title: Cisco Crosswork SQL Injection Attempt
author: SecBoard
date: 2026/08/19
logsource:
  product: linux
  service: auditd
detection:
  selection:
    EventID: 1000 # Example for process creation, adjust for specific logs
    CommandLine|contains:
      - 'SELECT * FROM'
      - 'UNION SELECT'
      - 'OR 1=1'
      - 'xp_cmdshell'
    ParentImage|contains: 'crosswork'
  condition: selection
level: high

Elastic ES|QL

from logs-cisco-crosswork-*
| where process.executable in ("java", "python", "node")
| where process.command_line : ("SELECT", "INSERT", "UPDATE", "DELETE")
| where process.parent.executable : "crosswork*"
| where process.command_line : ("'", "--", ";", "UNION SELECT", "OR 1=1")
| group by host.name, process.executable, process.command_line
| having count() > 5

SecBoard-generated · behavioral · requires customization — Von SecBoard erzeugt und nicht in einer Zielumgebung validiert. Vor dem Einsatz an die eigene Protokollierung anpassen.

Referenzen