Is CVE-2013-6020 being actively exploited?

CVE-2013-6020 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-6020?

CVE-2013-6020 has a CVSS 2.0 base score of 5.8 (MEDIUM).

CVE-2013-6020

MEDIUM · CVSS 5.8EPSS 1.3%EU EUVD

passwordRequestPOST.jsp in Tyler Technologies TaxWeb 3.13.3.1 sends different HTTP status codes for invalid password-recovery requests depending on whether the user account exists, which allows remote attackers to enumerate account names via a series of requests to the (1) Assessor, (2) Recorder, or (3) Treasurer application.

Key facts

CVSS score: 5.8 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:P/I:P/A:N
Weakness (CWE): CWE-200
EPSS score: 1.3% (70th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-5850)
Published: October 28, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-5850 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

tylertech / taxweb

References

http://www.kb.cert.org/vuls/id/911678(US Government Resource)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain