How severe is CVE-2001-1511?

CVE-2001-1511 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2001-1511 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-1511?

CVE-2001-1511 primarily affects Macromedia Jrun. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-1511?

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

When was CVE-2001-1511 published?

CVE-2001-1511 was published on 2001-12-31 and last updated on 2026-06-16.

CVE-2001-1511

CVE-2001-1511 is a medium-severity vulnerability in Macromedia Jrun 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% (67th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Macromedia Jrun
Published: 2001-12-31
Last modified: 2026-06-16

Description

JRun 3.0 and 3.1 running on JRun Web Server (JWS) and IIS allows remote attackers to read arbitrary JavaServer Pages (JSP) source code via a request URL containing the source filename ending in (1) "jsp%00" or (2) "js%2570".

Frequently asked questions

What is CVE-2001-1511?: JRun 3.0 and 3.1 running on JRun Web Server (JWS) and IIS allows remote attackers to read arbitrary JavaServer Pages (JSP) source code via a request URL containing the source filename ending in (1) "jsp%00" or (2) "js%2570".
How severe is CVE-2001-1511?: CVE-2001-1511 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2001-1511 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1511?: CVE-2001-1511 primarily affects Macromedia Jrun. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-1511?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-1511 published?: CVE-2001-1511 was published on 2001-12-31 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:macromedia:jrun:3.0:*:*:*:*:*:*:*
cpe:2.3:a:macromedia:jrun:3.1:*:*:*:*:*:*:*

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