CVE-2025-34098: Information Disclosure

Description

A path traversal vulnerability exists in Riverbed SteelHead VCX appliances (confirmed in VCX255U 9.6.0a) due to improper input validation in the log filtering functionality exposed via the management web interface. An authenticated attacker can exploit this flaw by submitting crafted filter expressions to the log_filter endpoint using the filterStr parameter. This input is processed by a backend parser that permits execution of file expansion syntax, allowing the attacker to retrieve arbitrary system files via the log viewing interface.

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Weakness Type (CWE)

CWE-200 CWE-200

References

Other References

https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/scanner/http/riverbed_steelhead_vcx_file_read.rb https://vulncheck.com/advisories/riverbed-steel-head-vcx-authenticated-arbitrary-file-read https://www.exploit-db.com/exploits/42101

Frequently Asked Questions

What is CVE-2025-34098? +

A path traversal vulnerability exists in Riverbed SteelHead VCX appliances (confirmed in VCX255U 9.6.0a) due to improper input validation in the log filtering functionality exposed via the management web interface. An authenticated attacker can exploit this flaw by submitting crafted filter expressions to the log_filter endpoint using the filterStr parameter. This input is processed by a backend parser that permits execution of file expansion syntax, allowing the attacker to retrieve arbitrary system files via the log viewing interface.

How do I check if I'm vulnerable to CVE-2025-34098? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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