How severe is CVE-2023-48428?

CVE-2023-48428 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-48428 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-48428?

CVE-2023-48428 primarily affects Siemens Sinec Ins. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-48428?

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-2023-48428 published?

CVE-2023-48428 was published on 2023-12-12 and last updated on 2026-06-17.

CVE-2023-48428

CVE-2023-48428 is a high-severity vulnerability in Siemens Sinec Ins with a CVSS 3.x base score of 7.2. 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-78.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Siemens Sinec Ins
Published: 2023-12-12
Last modified: 2026-06-17

Description

A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 2). The radius configuration mechanism of affected products does not correctly check uploaded certificates. A malicious admin could upload a crafted certificate resulting in a denial-of-service condition or potentially issue commands on system level.

Frequently asked questions

What is CVE-2023-48428?: A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 2). The radius configuration mechanism of affected products does not correctly check uploaded certificates. A malicious admin could upload a crafted certificate resulting in a denial-of-service condition or potentially issue commands on system level.
How severe is CVE-2023-48428?: CVE-2023-48428 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-48428 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-48428?: CVE-2023-48428 primarily affects Siemens Sinec Ins. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-48428?: 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-2023-48428 published?: CVE-2023-48428 was published on 2023-12-12 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-077170.pdf

Affected products (5)

cpe:2.3:a:siemens:sinec_ins:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:sinec_ins:1.0:-:*:*:*:*:*:*
cpe:2.3:a:siemens:sinec_ins:1.0:sp1:*:*:*:*:*:*
cpe:2.3:a:siemens:sinec_ins:1.0:sp2:*:*:*:*:*:*
cpe:2.3:a:siemens:sinec_ins:1.0:sp2_update_1:*:*:*:*:*:*

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