How severe is CVE-2023-30805?

CVE-2023-30805 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-30805 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 66% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-30805?

CVE-2023-30805 affects Sangfor Next-gen Application Firewall. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-30805?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-30805 published?

CVE-2023-30805 was published on 2023-10-10 and last updated on 2026-06-17.

CVE-2023-30805

CVE-2023-30805 is a critical-severity vulnerability in Sangfor Next-gen Application Firewall with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 66% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 66% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Sangfor Next-gen Application Firewall
Published: 2023-10-10
Last modified: 2026-06-17

Description

The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an operating system command injection vulnerability. A remote and unauthenticated attacker can execute arbitrary commands by sending a crafted HTTP POST request to the /LogInOut.php endpoint. This is due to mishandling of shell meta-characters in the "un" parameter.

Frequently asked questions

What is CVE-2023-30805?: The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an operating system command injection vulnerability. A remote and unauthenticated attacker can execute arbitrary commands by sending a crafted HTTP POST request to the /LogInOut.php endpoint. This is due to mishandling of shell meta-characters in the "un" parameter.
How severe is CVE-2023-30805?: CVE-2023-30805 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-30805 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 66% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-30805?: CVE-2023-30805 affects Sangfor Next-gen Application Firewall. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-30805?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-30805 published?: CVE-2023-30805 was published on 2023-10-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sangfor:next-gen_application_firewall:8.0.17:*:*:*:*:*:*:*

More vulnerabilities in Sangfor Next-gen Application Firewall

CVE-2023-30806 — Critical (CVSS 9.8): The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an operating system command injection…
CVE-2023-30803 — Critical (CVSS 9.8): The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an authentication bypass vulnerability. A…
CVE-2023-30802 — Medium (CVSS 5.3): The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to a source code disclosure vulnerability. A…
CVE-2023-30804 — Medium (CVSS 4.9): The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an authenticated file disclosure…

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