SB2025081451 - HTTP/2 Made You Reset Attack in F5 BIG-IP Next SPK/CNF
Published: August 14, 2025
Security Bulletin ID
SB2025081451
Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2025-54500)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when handling HTTP/2 requests. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
The vulnerability was dubbed HTTP/2 Made You Reset Attack.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.