How severe is CVE-1999-0236?

CVE-1999-0236 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-1999-0236 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 26% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0236?

CVE-1999-0236 primarily affects Apache Http Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-0236?

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-1999-0236 published?

CVE-1999-0236 was published on 1997-01-01 and last updated on 2026-06-16.

CVE-1999-0236

CVE-1999-0236 is a high-severity vulnerability in Apache Http Server with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 26% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 26% (98th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apache Http Server
Published: 1997-01-01
Last modified: 2026-06-16

Description

ScriptAlias directory in NCSA and Apache httpd allowed attackers to read CGI programs.

Frequently asked questions

What is CVE-1999-0236?: ScriptAlias directory in NCSA and Apache httpd allowed attackers to read CGI programs.
How severe is CVE-1999-0236?: CVE-1999-0236 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-1999-0236 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 26% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0236?: CVE-1999-0236 primarily affects Apache Http Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-0236?: 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-1999-0236 published?: CVE-1999-0236 was published on 1997-01-01 and last updated on 2026-06-16.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0236

Affected products (2)

cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
cpe:2.3:a:illinois:ncsa_httpd:-:*:*:*:*:*:*:*

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