Path Traversal Vulnerability in Ozeki SMS Gateway
CVE-2023-7327

8.7HIGH

Key Information:

Vendor

Ozeki Ltd.

Vendor
CVE Published:
12 November 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-7327?

The Ozeki SMS Gateway is affected by a path traversal vulnerability, which allows unauthenticated attackers to exploit URL-encoded traversal sequences. This exploitation can lead to unauthorized access and reading of sensitive files from the underlying filesystem, operating under the privileges of the gateway service. As a result, attackers may gain exposure to confidential information that could have serious implications for users and organizations relying on this service.

Affected Version(s)

Ozeki SMS Gateway 0 <= 10.3.208

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ahmet Ümit BAYRAM
.
CVE-2023-7327 : Path Traversal Vulnerability in Ozeki SMS Gateway