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Vulnerability Intelligence

CVE-2023-31446

CriticalExploited

In Cassia Gateway firmware XC1000_2.1.1.2303082218 and XC2000_2.1.1.2303090947, the queueUrl parameter in /bypass/config is not sanitized.

Published Jan 10, 2024 · Updated Jun 20, 2025

Key Facts

Patch immediately
  • CVE-2023-31446 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Xc1000 Firmware (Cassianetworks), Xc2000 Firmware (Cassianetworks).
  • It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Dec 21, 2024. No public exploit code is known.
  • EPSS estimates a 61% probability of exploitation in the next 30 days.
  • No fixed version is listed yet; check the vendor advisory for mitigations.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

9.8

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

EPSS (30-day exploit likelihood)

61%

Higher than 99.1% of all scored CVEs

Exploited in the wild

Yes

2 catalog listings

Public exploit code

None known

Get the full CVE-2023-31446 brief as a PDF

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Description

In Cassia Gateway firmware XC1000_2.1.1.2303082218 and XC2000_2.1.1.2303090947, the queueUrl parameter in /bypass/config is not sanitized. This leads to injecting Bash code and executing it with root privileges on device startup.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
Industry KEV feedDec 21, 2024n/aNot reported
CIRCL KEVDec 21, 2024n/aNot reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

2 affected entries in total
ProductAffected versionsFixed in
Xc1000 FirmwareCassianetworks2.1.1.2303082218n/a
Xc2000 FirmwareCassianetworks2.1.1.2303090947n/a

Timeline

  1. Publicly disclosed

    Jan 10, 2024

  2. Added to Industry KEV feed

    Dec 21, 2024

  3. Added to CIRCL KEV

    Dec 21, 2024

  4. Last updated

    Jun 20, 2025

Weakness Type

  • CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')

References

8 more references in the full CVE brief

FAQ

Common Questions.

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