How severe is CVE-2021-43049?

CVE-2021-43049 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-43049 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43049?

CVE-2021-43049 affects Tibco Businessconnect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-43049?

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

When was CVE-2021-43049 published?

CVE-2021-43049 was published on 2022-02-15 and last updated on 2026-06-17.

CVE-2021-43049

CVE-2021-43049 is a critical-severity vulnerability in Tibco Businessconnect with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Tibco Businessconnect
Published: 2022-02-15
Last modified: 2026-06-17

Description

The Database component of TIBCO Software Inc.'s TIBCO BusinessConnect Container Edition contains an easily exploitable vulnerability that allows an unauthenticated attacker with network access to obtain the usernames and passwords of users of the affected system. Affected releases are TIBCO Software Inc.'s TIBCO BusinessConnect Container Edition: versions 1.1.0 and below.

Frequently asked questions

What is CVE-2021-43049?: The Database component of TIBCO Software Inc.'s TIBCO BusinessConnect Container Edition contains an easily exploitable vulnerability that allows an unauthenticated attacker with network access to obtain the usernames and passwords of users of the affected system. Affected releases are TIBCO Software Inc.'s TIBCO BusinessConnect Container Edition: versions 1.1.0 and below.
How severe is CVE-2021-43049?: CVE-2021-43049 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-43049 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43049?: CVE-2021-43049 affects Tibco Businessconnect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-43049?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-43049 published?: CVE-2021-43049 was published on 2022-02-15 and last updated on 2026-06-17.

References

Affected products (1)

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