Vulnerability · CVE-2001-0590
Apache Software Foundation Tomcat Servlet prior to 3.2.2 allows a remote attacker to read the source code to arbitrary 'jsp' files via a malformed URL request which do…
Published Aug 2, 2001 · catalog updated Jun 16, 2026 · the affected product
Last checked Nov 3, 2026. A connected source was read within the last 7 days.
Check this week
CVE-2001-0590 is not in CISA KEV. FIRST estimates a 10.96% chance of exploitation in the next 30 days. Check whether you run the affected product.
Gaps on this record
- No plain product name is stored. The page cannot tell you which product to check.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-43515 · Critical
- CVE-2026-43514 · Low
- CVE-2026-43513 · High
- CVE-2026-43512 · Critical
- CVE-2026-42498 · High
- Severity
- Medium5.0
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 10.96%
- Remediation
- Version ranges on file
- Affected products
- cpe apache/tomcat
Apache Software Foundation Tomcat Servlet prior to 3.2.2 allows a remote attacker to read the source code to arbitrary 'jsp' files via a malformed URL request which does not end with an HTTP protocol specification (i.e. HTTP/1.0).
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe apache/tomcat<= 3.2.2
How to fix CVE-2001-0590
Upgrade
CVE-2001-0590 lists a fix boundary at 3.2.2. Compare the installed build with that boundary before you change production.
Version check
Affected <= 3.2.2
Advisory
Open the inventory_critical record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2001-0590 is not in CISA KEV. FIRST estimates a 10.96% chance of exploitation in the next 30 days. Check whether you run the affected product.
Which versions are affected?
Compare what you have installed with <= 3.2.2. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 10.96%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Aug 2, 2001 · Monitored products — critical
Detected
Apache Software Foundation Tomcat Servlet prior to 3.2.2 allows a remote attacker to read the source code to arbitrary 'jsp' files via a malformed URL request which does not end with an HTTP protocol specification (i.e. HTTP/1.0).
Jun 16, 2026 · Monitored products — critical
Updated
Apache Software Foundation Tomcat Servlet prior to 3.2.2 allows a remote attacker to read the source code to arbitrary 'jsp' files via a malformed URL request which does not end with an HTTP protocol specification (i.e. HTTP/1.0).
Sources
- FIRST EPSSExploitation probabilityCVE-2001-0590
30-day exploitation probability 10.96%
first.org - Monitored products — criticalVendor advisoryCVE-2001-0590
Apache Software Foundation Tomcat Servlet prior to 3.2.2 allows a remote attacker to read the source code to arbitrary 'jsp' files via a malformed URL request which does not end with an HTTP protocol specification (i.e. HTTP/1.0).
nvd.nist.gov
References
Freshness
Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 3, 2026
- Monitored products — criticalNov 3, 2026