CVE-2001-1513

Macromedia JRun 3.0 and 3.1 allows remote attackers to obtain duplicate active user session IDs and perform actions as other users via a URL request for the web application directory without the trailing '/' (slash), as demonstrated using ctx.

Published: 2001-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2001-1513 is rated Moderate Risk (64.5/100): CVSS High severity, with high exploitation likelihood (EPSS 8.31%, 92th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.38% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2001-1513

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-07-23 5.93% 8.31% +2.38%
2 2025-03-30 10.12% 5.93% -4.18%
3 2025-03-29 — 10.12% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-1513

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2001-1513

Affected software / configurations for CVE-2001-1513

Vendor Product Version Raw CPE
macromedia jrun 3.0 cpe:2.3:a:macromedia:jrun:3.0:*:*:*:*:*:*:*
macromedia jrun 3.1 cpe:2.3:a:macromedia:jrun:3.1:*:*:*:*:*:*:*

References for CVE-2001-1513

cvelogic Threat Intelligence