CVE-2024-28521: SQL Injection vulnerability in Netcome NS-ASG Application Security Gateway v.6.3.1 allows a local attacker to

Routine

HIGH 7.8MITIGATE

CVE-2024-28521 is a high-severity flaw (CVSS 7.8) affecting application security gateway firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL Injection vulnerability in Netcome NS-ASG Application Security Gateway v.6.3.1 allows a local attacker to execute arbitrary code and obtain sensitive information via a crafted script to the loginid parameter of the /singlelogin.php component.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 74%)
CISA exploited list	No
Weakness	CWE-89
Published	2024-03-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: netentsec

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-03-21 22:15 UTCPublished CVE record published
2026-06-17 07:21 UTCUpdated Record last modified

netentsec application security gateway firmware MITIGATE

Affected: 6.3.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.3.1

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-28521?

application security gateway firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-28521 being exploited?

CVE-2024-28521 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-28521 affect?

CVE-2024-28521 affects application security gateway firmware. Severity is high (CVSS 7.8). SQL Injection vulnerability in Netcome NS-ASG Application Security Gateway v.6.3.1 allows a local attacker to execute arbitrary code and obtain sensitive information via a crafted script to the loginid parameter of the /singlelogin.php comp

How urgent is CVE-2024-28521?

Priority 39/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2023-7161 HIGH 7.3 MITIGATE A vulnerability classified as critical has been found in Netentsec NS-ASG Application Security Gateway 6.3.1

References

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