How severe is CVE-2001-1342?

CVE-2001-1342 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2001-1342 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-1342?

CVE-2001-1342 primarily affects Apache Http Server. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-1342?

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

When was CVE-2001-1342 published?

CVE-2001-1342 was published on 2001-05-12 and last updated on 2026-06-16.

CVE-2001-1342

CVE-2001-1342 is a medium-severity vulnerability in Apache Http Server with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 12% (96th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apache Http Server
Published: 2001-05-12
Last modified: 2026-06-16

Description

Apache before 1.3.20 on Windows and OS/2 systems allows remote attackers to cause a denial of service (GPF) via an HTTP request for a URI that contains a large number of / (slash) or other characters, which causes certain functions to dereference a null pointer.

Frequently asked questions

What is CVE-2001-1342?: Apache before 1.3.20 on Windows and OS/2 systems allows remote attackers to cause a denial of service (GPF) via an HTTP request for a URI that contains a large number of / (slash) or other characters, which causes certain functions to dereference a null pointer.
How severe is CVE-2001-1342?: CVE-2001-1342 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2001-1342 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1342?: CVE-2001-1342 primarily affects Apache Http Server. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-1342?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-1342 published?: CVE-2001-1342 was published on 2001-05-12 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:apache:http_server:1.3.12:*:win32:*:*:*:*:*
cpe:2.3:a:apache:http_server:1.3.14:*:win32:*:*:*:*:*
cpe:2.3:a:apache:http_server:1.3.15:*:win32:*:*:*:*:*
cpe:2.3:a:apache:http_server:1.3.16:*:win32:*:*:*:*:*
cpe:2.3:a:apache:http_server:1.3.17:*:win32:*:*:*:*:*
cpe:2.3:a:apache:http_server:1.3.18:*:win32:*:*:*:*:*
cpe:2.3:a:apache:http_server:1.3.19:*:win32:*:*:*:*:*

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