How severe is CVE-2003-0783?

CVE-2003-0783 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2003-0783 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0783?

CVE-2003-0783 affects Yongguang Zhang Hztty. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2003-0783?

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-2003-0783 published?

CVE-2003-0783 was published on 2003-10-06 and last updated on 2026-06-16.

CVE-2003-0783

CVE-2003-0783 is a high-severity vulnerability in Yongguang Zhang Hztty with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Yongguang Zhang Hztty
Published: 2003-10-06
Last modified: 2026-06-16

Description

Multiple buffer overflows in hztty 2.0 allow local users to gain root privileges.

Frequently asked questions

What is CVE-2003-0783?: Multiple buffer overflows in hztty 2.0 allow local users to gain root privileges.
How severe is CVE-2003-0783?: CVE-2003-0783 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2003-0783 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0783?: CVE-2003-0783 affects Yongguang Zhang Hztty. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-0783?: 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-2003-0783 published?: CVE-2003-0783 was published on 2003-10-06 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:yongguang_zhang:hztty:2.0:*:*:*:*:*:*:*

More vulnerabilities in Yongguang Zhang Hztty

CVE-2005-0019 — Medium (CVSS 4.6): Unknown vulnerability in hztty 2.0 and earlier allows local users to execute arbitrary commands.

All CVEs affecting Yongguang Zhang Hztty →