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Fencer Vulns
medium 5.0

CVE-2001-1511 json

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…

published 2001-12-31 24 y ago modified 2026-06-16 4 mo ago also EUVD-2001-1488

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

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".

Patch / fix

Exploit prediction

1.32% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • macromedia.com http://www.macromedia.com/v1/handlers/index.cfm?ID=22288&Method=Full referenced PoC, tagged "exploit" by a source, unverified
  • iss.net http://www.iss.net/security_center/static/7676.php referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.