Security readout for executives and security teams
Plain-English summary
This vulnerability affects old Django 1.8 releases before 1.8.3. A remote user could make URL validation consume excessive CPU, potentially slowing or interrupting an application that validates untrusted URLs. It is a denial-of-service issue, not a disclosed data theft or code execution issue.
Executive priority
Address during normal vulnerability remediation, faster for public legacy Django systems handling URL submissions. The business risk is service disruption through CPU exhaustion, with no supplied evidence of data compromise or active exploitation.
Technical view
CVE-2015-5145 is a Django URLValidator denial-of-service flaw in Django 1.8.x before 1.8.3. The public CVE text describes remote CPU consumption through unspecified vectors. No CVSS score, CWE, or detailed trigger is provided in the supplied sources.
Likely exposure
Exposure is most likely where an internet-facing Django 1.8.x application before 1.8.3 accepts user-controlled URL input and runs Django URLValidator during forms, model validation, or API request processing.
Exploitation context
The supplied bundle does not show CISA KEV listing or active exploitation. Public evidence supports remote denial of service only, with vectors unspecified. Treat exploitability as plausible for affected URL validation paths, but do not assume observed exploitation without local telemetry.
Researcher notes
The source bundle is sparse: it names URLValidator, affected versions, remote CPU consumption, and the fixed release boundary, but not the malformed input pattern. Validation should focus on version exposure and reachable validation paths, not reproducing exploit behavior.
Mitigation direction
- Upgrade Django 1.8.x deployments to 1.8.3 or later.
- Apply distribution vendor updates where Django is managed by the operating system.
- Prioritize internet-facing forms and APIs that validate user-supplied URLs.
- Check Django and Gentoo advisories before relying on compensating controls.
Validation and detection
- Inventory deployed Django versions across applications and containers.
- Identify routes accepting user-supplied URLs that invoke Django validation.
- Confirm affected deployments run Django 1.8.3 or later.
- Review application metrics for unexplained CPU spikes during URL-heavy requests.
- Document residual exposure for any unsupported legacy Django instance.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CVE-2015-5145 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- GLSA-201510-06CVE reference · vendor-advisory, x_refsource_GENTOO
- https://www.djangoproject.com/weblog/2015/jul/08/security-releases/CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.