How severe is CVE-2023-6903?

CVE-2023-6903 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-6903 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6903?

CVE-2023-6903 affects Netentsec Application Security Gateway. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-6903?

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

When was CVE-2023-6903 published?

CVE-2023-6903 was published on 2023-12-17 and last updated on 2026-06-17.

CVE-2023-6903

CVE-2023-6903 is a high-severity vulnerability in Netentsec Application Security Gateway with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Netentsec Application Security Gateway
Published: 2023-12-17
Last modified: 2026-06-17

Description

A vulnerability classified as critical has been found in Netentsec NS-ASG Application Security Gateway 6.3.1. This affects an unknown part of the file /admin/singlelogin.php?submit=1. The manipulation of the argument loginId leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-248265 was assigned to this vulnerability.

Frequently asked questions

What is CVE-2023-6903?: A vulnerability classified as critical has been found in Netentsec NS-ASG Application Security Gateway 6.3.1. This affects an unknown part of the file /admin/singlelogin.php?submit=1. The manipulation of the argument loginId leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-248265 was assigned to this vulnerability.
How severe is CVE-2023-6903?: CVE-2023-6903 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-6903 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6903?: CVE-2023-6903 affects Netentsec Application Security Gateway. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-6903?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-6903 published?: CVE-2023-6903 was published on 2023-12-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:netentsec:application_security_gateway:6.3.1:*:*:*:*:*:*:*

More vulnerabilities in Netentsec Application Security Gateway

CVE-2023-30242 — Critical (CVSS 9.8): NS-ASG v6.3 was discovered to contain a SQL injection vulnerability via the component /admin/add_ikev2.php.
CVE-2023-30243 — High (CVSS 7.5): Beijing Netcon NS-ASG Application Security Gateway v6.3 is vulnerable to SQL Injection via TunnelId that allows access…
CVE-2024-2647 — High (CVSS 7.3): A vulnerability, which was classified as critical, has been found in Netentsec NS-ASG Application Security Gateway 6.3.…
CVE-2024-6007 — Medium (CVSS 6.3): A vulnerability classified as critical has been found in Netentsec NS-ASG Application Security Gateway 6.3. This…
CVE-2024-5773 — Medium (CVSS 6.3): A vulnerability, which was classified as critical, was found in Netentsec NS-ASG Application Security Gateway 6.3.…
CVE-2024-5772 — Medium (CVSS 6.3): A vulnerability, which was classified as critical, has been found in Netentsec NS-ASG Application Security Gateway 6.3.…

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