Vulnerability in Broadcom Advanced Secure Gateway
CVE-2021-46825
Symantec Advanced Secure Gateway (ASG) and ProxySG are susceptible to an HTTP desync vulnerability. When a remote unauthenticated attacker and other web clients communicate through the proxy with the same web server, the attacker can send crafted HTTP requests and cause the proxy to forward web server responses to unintended clients. Severity/CVSSv3: High / 8.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Vulnerability class: HTTP Request Smuggling
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.016 (75.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: +0.001
Affected products
- Broadcom Advanced Secure Gateway — versions 6.7, 7.3
- Broadcom Proxysg — versions 6.7, 7.3
- Advance Secure Gateway And Proxysg — versions 6.7, 7.3
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2021-46825?
- CVE-2021-46825 is a critical-severity vulnerability in Broadcom Advanced Secure Gateway, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 9.1/10. Published 2022-07-07.
- How severe is CVE-2021-46825?
- Critical severity. CVSS v3 base score is 9.1 out of 10.