How severe is CVE-2001-0122?

CVE-2001-0122 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2001-0122 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0122?

CVE-2001-0122 primarily affects Ibm 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-2001-0122?

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

When was CVE-2001-0122 published?

CVE-2001-0122 was published on 2001-03-13 and last updated on 2026-06-16.

CVE-2001-0122

CVE-2001-0122 is a medium-severity vulnerability in Ibm Http Server 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: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Http Server
Published: 2001-03-13
Last modified: 2026-06-16

Description

Kernel leak in AfpaCache module of the Fast Response Cache Accelerator (FRCA) component of IBM HTTP Server 1.3.x and Websphere 3.52 allows remote attackers to cause a denial of service via a series of malformed HTTP requests that generate a "bad request" error.

Frequently asked questions

What is CVE-2001-0122?: Kernel leak in AfpaCache module of the Fast Response Cache Accelerator (FRCA) component of IBM HTTP Server 1.3.x and Websphere 3.52 allows remote attackers to cause a denial of service via a series of malformed HTTP requests that generate a "bad request" error.
How severe is CVE-2001-0122?: CVE-2001-0122 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2001-0122 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0122?: CVE-2001-0122 primarily affects Ibm 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-2001-0122?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-0122 published?: CVE-2001-0122 was published on 2001-03-13 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:ibm:http_server:1.3.12.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:3.52:*:*:*:*:*:*:*

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