How severe is CVE-2021-43055?

CVE-2021-43055 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2021-43055 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43055?

CVE-2021-43055 primarily affects Tibco Eftl. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-43055?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-43055 published?

CVE-2021-43055 was published on 2022-01-11 and last updated on 2026-06-17.

CVE-2021-43055

CVE-2021-43055 is a medium-severity vulnerability in Tibco Eftl with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 6.5
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Tibco Eftl
Published: 2022-01-11
Last modified: 2026-06-17

Description

The eFTL Server component of TIBCO Software Inc.'s TIBCO eFTL - Community Edition, TIBCO eFTL - Developer Edition, and TIBCO eFTL - Enterprise Edition contains an easily exploitable vulnerability that allows clients to inherit the permissions of the client that initially connected on the affected system. Affected releases are TIBCO Software Inc.'s TIBCO eFTL - Community Edition: versions 6.7.2 and below, TIBCO eFTL - Developer Edition: versions 6.7.2 and below, and TIBCO eFTL - Enterprise Edition: versions 6.7.2 and below.

Frequently asked questions

What is CVE-2021-43055?: The eFTL Server component of TIBCO Software Inc.'s TIBCO eFTL - Community Edition, TIBCO eFTL - Developer Edition, and TIBCO eFTL - Enterprise Edition contains an easily exploitable vulnerability that allows clients to inherit the permissions of the client that initially connected on the affected system. Affected releases are TIBCO Software Inc.'s TIBCO eFTL - Community Edition: versions 6.7.2 and below, TIBCO eFTL - Developer Edition: versions 6.7.2 and below, and TIBCO eFTL - Enterprise Edition: versions 6.7.2 and below.
How severe is CVE-2021-43055?: CVE-2021-43055 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2021-43055 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43055?: CVE-2021-43055 primarily affects Tibco Eftl. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-43055?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-43055 published?: CVE-2021-43055 was published on 2022-01-11 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:tibco:eftl:*:*:*:*:community:*:*:*
cpe:2.3:a:tibco:eftl:*:*:*:*:developer:*:*:*
cpe:2.3:a:tibco:eftl:*:*:*:*:enterprise:*:*:*

More vulnerabilities in Tibco Eftl

CVE-2021-28823 — High (CVSS 8.8): The Windows Installation component of TIBCO Software Inc.'s TIBCO eFTL - Community Edition, TIBCO eFTL - Developer…
CVE-2021-35497 — High (CVSS 7.5): The FTL Server (tibftlserver) and Docker images containing tibftlserver components of TIBCO Software Inc.'s TIBCO…
CVE-2021-43054 — High (CVSS 7.1): The eFTL Server component of TIBCO Software Inc.'s TIBCO eFTL - Community Edition, TIBCO eFTL - Developer Edition, and…
CVE-2022-30574 — Medium (CVSS 4.6): The ftlserver component of TIBCO Software Inc.'s TIBCO FTL - Community Edition, TIBCO FTL - Developer Edition, TIBCO…

All CVEs affecting Tibco Eftl →