How severe is CVE-2021-43458?

CVE-2021-43458 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-43458 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43458?

CVE-2021-43458 affects Vembu Bdr Suite. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-43458?

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-2021-43458 published?

CVE-2021-43458 was published on 2022-04-04 and last updated on 2026-06-17.

CVE-2021-43458

CVE-2021-43458 is a high-severity vulnerability in Vembu Bdr Suite with a CVSS 3.x base score of 7.8. 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-428.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-428
Affected product: Vembu Bdr Suite
Published: 2022-04-04
Last modified: 2026-06-17

Description

An Unquoted Service Path vulnerability exits in Vembu BDR 4.2.0.1 via a specially crafted file in the (1) hsflowd, (2) VembuBDR360Agent, or (3) VembuOffice365Agent service paths.

Frequently asked questions

What is CVE-2021-43458?: An Unquoted Service Path vulnerability exits in Vembu BDR 4.2.0.1 via a specially crafted file in the (1) hsflowd, (2) VembuBDR360Agent, or (3) VembuOffice365Agent service paths.
How severe is CVE-2021-43458?: CVE-2021-43458 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-43458 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43458?: CVE-2021-43458 affects Vembu Bdr Suite. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-43458?: 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-2021-43458 published?: CVE-2021-43458 was published on 2022-04-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:vembu:bdr_suite:4.2.0.1:update1:*:*:*:*:*:*

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