CVE-2023-30803
9.8
CRITICAL · CVSS 3.1 · EPSS 18.2% (pctl 97)
Patch early
EPSS 18.2% — above the 10% action threshold.
Description
The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an authentication bypass vulnerability. A remote and unauthenticated attacker can bypass authentication and access administrative functionality by sending HTTP requests using a crafted Y-forwarded-for header.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 18.21% — more likely to be exploited than 97% of all CVEs |
| Weakness | CWE-290 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2023-10-10 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| sangfor | next-gen application firewall |
References
- https://aws.amazon.com/marketplace/pp/prodview-uujwjffddxzp4
- https://labs.watchtowr.com/yet-more-unauth-remote-command-execution-vulns-in-firewalls-sangfor-edition/
- https://vulncheck.com/advisories/sangfor-ngaf-auth-bypass
- https://aws.amazon.com/marketplace/pp/prodview-uujwjffddxzp4
- https://labs.watchtowr.com/yet-more-unauth-remote-command-execution-vulns-in-firewalls-sangfor-edition/
- https://vulncheck.com/advisories/sangfor-ngaf-auth-bypass
→ the Explorer · watch your stack · NVD