How severe is CVE-2007-4221?

CVE-2007-4221 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2007-4221 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-4221?

CVE-2007-4221 affects Motorola Timbuktu. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-4221?

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-2007-4221 published?

CVE-2007-4221 was published on 2007-08-29 and last updated on 2026-06-16.

CVE-2007-4221

CVE-2007-4221 is a critical-severity vulnerability in Motorola Timbuktu with a CVSS 2.0 base score of 10.0. 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-20.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Motorola Timbuktu
Published: 2007-08-29
Last modified: 2026-06-16

Description

Multiple buffer overflows in Motorola Timbuktu Pro before 8.6.5 for Windows allow remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via (1) a long user name and (2) certain malformed requests; and (3) allow remote Timbuktu servers to have an unknown impact via a malformed HELLO response, related to the Scanner component and possibly related to a malformed computer name.

Frequently asked questions

What is CVE-2007-4221?: Multiple buffer overflows in Motorola Timbuktu Pro before 8.6.5 for Windows allow remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via (1) a long user name and (2) certain malformed requests; and (3) allow remote Timbuktu servers to have an unknown impact via a malformed HELLO response, related to the Scanner component and possibly related to a malformed computer name.
How severe is CVE-2007-4221?: CVE-2007-4221 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2007-4221 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-4221?: CVE-2007-4221 affects Motorola Timbuktu. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-4221?: 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-2007-4221 published?: CVE-2007-4221 was published on 2007-08-29 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:motorola:timbuktu:8.6.3.1367:*:pro:*:*:*:*:*

More vulnerabilities in Motorola Timbuktu

CVE-2007-4220 — High (CVSS 7.8): Directory traversal vulnerability in Motorola Timbuktu Pro before 8.6.5 for Windows allows remote attackers to create…

All CVEs affecting Motorola Timbuktu →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →