How severe is CVE-1999-1255?

CVE-1999-1255 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-1999-1255 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-1255?

CVE-1999-1255 affects Ccs Network Hyperseek Search Engine. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-1255?

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

When was CVE-1999-1255 published?

CVE-1999-1255 was published on 1999-02-19 and last updated on 2026-06-16.

CVE-1999-1255

CVE-1999-1255 is a medium-severity vulnerability in Ccs Network Hyperseek Search Engine with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ccs Network Hyperseek Search Engine
Published: 1999-02-19
Last modified: 2026-06-16

Description

Hyperseek allows remote attackers to modify the hyperseek configuration by directly calling the admin.cgi program with an edit_file action parameter.

Frequently asked questions

What is CVE-1999-1255?: Hyperseek allows remote attackers to modify the hyperseek configuration by directly calling the admin.cgi program with an edit_file action parameter.
How severe is CVE-1999-1255?: CVE-1999-1255 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-1999-1255 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1255?: CVE-1999-1255 affects Ccs Network Hyperseek Search Engine. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-1255?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-1255 published?: CVE-1999-1255 was published on 1999-02-19 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:ccs_network:hyperseek_search_engine:*:*:*:*:*:*:*:*