How severe is CVE-2005-0523?

CVE-2005-0523 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2005-0523 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-0523?

CVE-2005-0523 primarily affects Prozilla Prozilla Download Accelerator. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-0523?

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-2005-0523 published?

CVE-2005-0523 was published on 2005-05-02 and last updated on 2026-06-16.

CVE-2005-0523

CVE-2005-0523 is a high-severity vulnerability in Prozilla Prozilla Download Accelerator with a CVSS 2.0 base score of 7.5. 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 7.5)
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Prozilla Prozilla Download Accelerator
Published: 2005-05-02
Last modified: 2026-06-16

Description

Format string vulnerability in ProZilla 1.3.7.3 and earlier allows remote attackers to execute arbitrary code via format string specifiers in the Location header.

Frequently asked questions

What is CVE-2005-0523?: Format string vulnerability in ProZilla 1.3.7.3 and earlier allows remote attackers to execute arbitrary code via format string specifiers in the Location header.
How severe is CVE-2005-0523?: CVE-2005-0523 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-0523 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-0523?: CVE-2005-0523 primarily affects Prozilla Prozilla Download Accelerator. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-0523?: 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-2005-0523 published?: CVE-2005-0523 was published on 2005-05-02 and last updated on 2026-06-16.

References

Affected products (9)

cpe:2.3:a:prozilla:prozilla_download_accelerator:1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:prozilla:prozilla_download_accelerator:1.3.1:*:*:*:*:*:*:*
cpe:2.3:a:prozilla:prozilla_download_accelerator:1.3.2:*:*:*:*:*:*:*
cpe:2.3:a:prozilla:prozilla_download_accelerator:1.3.3:*:*:*:*:*:*:*
cpe:2.3:a:prozilla:prozilla_download_accelerator:1.3.4:*:*:*:*:*:*:*
cpe:2.3:a:prozilla:prozilla_download_accelerator:1.3.5:*:*:*:*:*:*:*
cpe:2.3:a:prozilla:prozilla_download_accelerator:1.3.5.1:*:*:*:*:*:*:*
cpe:2.3:a:prozilla:prozilla_download_accelerator:1.3.5.2:*:*:*:*:*:*:*
cpe:2.3:a:prozilla:prozilla_download_accelerator:1.3.6:*:*:*:*:*:*:*

More vulnerabilities in Prozilla Prozilla Download Accelerator

CVE-2004-1120 — Critical (CVSS 10.0): Multiple buffer overflows in (1) http.c, (2) http-retr.c, (3) main.c and other code that handles network protocols in…
CVE-2005-2961 — High (CVSS 7.5): Buffer overflow in the get_string_ahref function for ProZilla 1.3.7.4 and possibly earlier, with the -ftpsearch option…

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