CVE-2007-0405

The LazyUser class in the AuthenticationMiddleware for Django 0.95 does not properly cache the user name across requests, which allows remote authenticated users to gain the privileges of a different user.

Published: 2007-01-23 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-0405 is rated Moderate Risk (48.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.19%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2007-0405

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.76% 1.19% +0.43%
2 2026-02-16 0.73% 0.76% +0.03%
3 2025-09-11 — 0.73% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-0405

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.0 6.4 [email protected]

Weakness enumeration for CVE-2007-0405

GitHub Security Advisory for CVE-2007-0405

OS Trackers for CVE-2007-0405

vendor priority summary link
debian not yet assigned CVE-2007-0405 not yet assigned priority: Debian including 1 source packages (python-django), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2007-0405
ubuntu medium CVE-2007-0405 medium priority: Ubuntu including 1 source packages (python-django), 5 status rows across 5 suites (dapper, edgy, feisty, gutsy, upstream): DNE 2, not-affected 2, released 1. https://ubuntu.com/security/CVE-2007-0405

Affected software / configurations for CVE-2007-0405

Vendor Product Version Raw CPE
django_project django 0.95 cpe:2.3:a:django_project:django:0.95:*:*:*:*:*:*:*

References for CVE-2007-0405

cvelogic Threat Intelligence