How severe is CVE-2021-33007?

CVE-2021-33007 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-33007 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33007?

CVE-2021-33007 affects Deltaww Tpeditor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-33007?

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-2021-33007 published?

CVE-2021-33007 was published on 2021-08-30 and last updated on 2026-06-17.

CVE-2021-33007

CVE-2021-33007 is a high-severity vulnerability in Deltaww Tpeditor 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-122.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-122
Affected product: Deltaww Tpeditor
Published: 2021-08-30
Last modified: 2026-06-17

Description

A heap-based buffer overflow in Delta Electronics TPEditor: v1.98.06 and prior may be exploited by processing a specially crafted project file. Successful exploitation of this vulnerability may allow an attacker to execute arbitrary code.

Frequently asked questions

What is CVE-2021-33007?: A heap-based buffer overflow in Delta Electronics TPEditor: v1.98.06 and prior may be exploited by processing a specially crafted project file. Successful exploitation of this vulnerability may allow an attacker to execute arbitrary code.
How severe is CVE-2021-33007?: CVE-2021-33007 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-33007 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33007?: CVE-2021-33007 affects Deltaww Tpeditor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-33007?: 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-2021-33007 published?: CVE-2021-33007 was published on 2021-08-30 and last updated on 2026-06-17.

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-236-03

Affected products (1)

cpe:2.3:a:deltaww:tpeditor:*:*:*:*:*:*:*:*

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