How severe is CVE-2021-47895?

CVE-2021-47895 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-47895 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-47895?

CVE-2021-47895 affects Nsasoft Nsauditor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-47895?

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.

Does CVE-2021-47895 have an EU (EUVD) identifier?

Yes. CVE-2021-47895 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4294.

When was CVE-2021-47895 published?

CVE-2021-47895 was published on 2026-01-23 and last updated on 2026-06-17.

CVE-2021-47895

CVE-2021-47895 is a high-severity vulnerability in Nsasoft Nsauditor with a CVSS 3.x base score of 7.5. 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-770.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 6.7
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-4294
Weakness: CWE-770
Affected product: Nsasoft Nsauditor
Published: 2026-01-23
Last modified: 2026-06-17

Description

Nsauditor 3.2.2.0 contains a denial of service vulnerability that allows attackers to crash the application by overwriting the Event Description field with a large buffer. Attackers can generate a 10,000-character 'U' buffer and paste it into the Event Description field to trigger an application crash.

Frequently asked questions

What is CVE-2021-47895?: Nsauditor 3.2.2.0 contains a denial of service vulnerability that allows attackers to crash the application by overwriting the Event Description field with a large buffer. Attackers can generate a 10,000-character 'U' buffer and paste it into the Event Description field to trigger an application crash.
How severe is CVE-2021-47895?: CVE-2021-47895 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-47895 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-47895?: CVE-2021-47895 affects Nsasoft Nsauditor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-47895?: 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.
Does CVE-2021-47895 have an EU (EUVD) identifier?: Yes. CVE-2021-47895 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4294.
When was CVE-2021-47895 published?: CVE-2021-47895 was published on 2026-01-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nsasoft:nsauditor:3.2.2.0:*:*:*:*:*:*:*

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