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CVE-2000-0539

17
FAUCET Score

CVE-2000-0539 describes an information disclosure vulnerability in Allaire JRun 2.3.x, specifically within its servlet examples. Remote attackers can exploit this flaw, particularly through the SessionServlet, to gain access to sensitive information such as HttpSession IDs. With a CVSS score of 6.4 (Medium), this vulnerability is easily exploitable over the network with low attack complexity and no authentication required, potentially leading to partial confidentiality and integrity impacts. Despite its age, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

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

CVSS Data

CVSS version used by this source: 2.0

6.4MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.62%
Probability of exploitation in next 30 days
EPSS Percentile
73.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0162 is in the 58th percentile among its peer group of 23,705 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, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

exchange.xforce.ibmcloud.com / vulnerabilities/4774
allaire.com / handlers/index.cfm
PatchVendor Advisory
osvdb.org / 818
securityfocus.com / bid/1386
PatchVendor Advisory