Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSummary
CVE-2023-41080 is a medium-severity Open Redirect (CWE-601) vulnerability in Apache Tomcat. Its CVSS base score is 6.1 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Phishing (T1566); ranked in the top 7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
CVE-2023-41080 is an open redirect vulnerability (CWE-601) in the FORM authentication feature of Apache Tomcat. It affects the ROOT web application in versions 11.0.0-M1 through 11.0.0-M10, 10.1.0-M1 through 10.0.12, 9.0.0-M1 through 9.0.79, and 8.5.0 through 8.5.92, with older end-of-life releases also potentially impacted. The issue carries a CVSS 3.1 score of 6.1.
An unauthenticated remote attacker can supply a crafted URL that triggers an open redirect during FORM-based login handling, allowing the victim to be sent to an untrusted site under attacker control and enabling phishing or further client-side attacks.
Advisories from Apache, Debian, and NetApp recommend upgrading Tomcat to fixed releases and note that the vulnerability is confined to the default ROOT application; the referenced lists detail the specific patched versions and backports available for supported branches.
EPSS for this CVE rose from a low baseline to a peak of 0.1366 (current value 0.1159), indicating emerging exploitation interest after disclosure.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-2335
Vulnerability Data
URL Redirection to Untrusted Site ('Open Redirect') vulnerability in FORM authentication feature Apache Tomcat.This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M10, from 10.1.0-M1 through 10.0.12, from 9.0.0-M1 through 9.0.79 and from 8.5.0 through 8.5.92. Older, EOL versions may also…
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be affected. The vulnerability is limited to the ROOT (default) web application.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
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Affected Assets
Mitigating Controls
Control response
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V3.7.2
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Secure SDLC practices directly require input validation and untrusted-redirect controls that prevent CWE-601.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Preventing access to attacker-controlled or malicious sites stops users from being redirected to untrusted locations via open-redirect or phishing links.