CVE-2025-34098

Riverbed SteelHead VCX Authenticated Arbitrary File Read via Log Filter Injection

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.

Affected

Riverbed Technology · SteelHead VCX

CVSS v4.0 VULNCHECK

7.1 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS

1.27% chance of exploitation in the next 30 days, 69th percentile

Published

2025-07-10

Updated

2026-05-14

Proof-of-concept exploits (2)

• https://www.exploit-db.com/exploits/42101
• https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/sc…

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/http/riverbed_steelhead…

References

• CVE Record
• NVD entry