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CVE-2001-1513

19
FAUCET Score

CVE-2001-1513 describes a critical vulnerability in Macromedia JRun versions 3.0 and 3.1, allowing remote attackers to hijack user sessions. By requesting a web application directory URL without a trailing slash, attackers can obtain duplicate active user session IDs, enabling them to impersonate other users and perform unauthorized actions. This vulnerability has a CVSS score of 7.5 (High), indicating it is easily exploitable over the network with low attack complexity, potentially leading to partial compromise of confidentiality, integrity, and availability. While the EPSS score is low, suggesting limited real-world exploitation, there is no known public exploit code or active community discussion, and it is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
3.0CPE matchmatch criteria
cpe:2.3:a:macromedia:jrun:3.0:*:*:*:*:*:*:*
3.1CPE matchmatch criteria
cpe:2.3:a:macromedia:jrun:3.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.53%
Probability of exploitation in next 30 days
EPSS Percentile
72.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0153 is in the 54th percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

iss.net / security_center/static/7680.php
Patch
macromedia.com / v1/handlers/index.cfm
PatchVendor Advisory
securityfocus.com / bid/3600