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CVE-2015-5143
The session backends in Django before 1.4.21, 1.5.x through 1.6.x, 1.7.x before 1.7.9, and 1.8.x before 1.8.3 allows remote attackers to…
- 7.8HighCVSS base score
- 7.2%Exploitation in 30 daysEPSS · top 5.6% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The session backends in Django before 1.4.21, 1.5.x through 1.6.x, 1.7.x before 1.7.9, and 1.8.x before 1.8.3 allows remote attackers to cause a denial of service (session store consumption) via multiple requests with unique session keys.
Timeline
ID reserved
By mitre
- 15 days later
· 15 days later
Published
- 9 years later
· 9 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 7.2% · top 5.6% of all CVEs (10 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPIDjangoGHSA-h582-2pch-3xv3 (opens in a new tab)
References
12
- FEDORA-2015-1dd5bc998f (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- GLSA-201510-06 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- https://www.djangoproject.com/weblog/2015/jul/08/security-releases/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2015:1802 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2015:1813 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- DSA-3305 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- RHSA-2015:1678 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 75666 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2015:1686 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-2671-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 1032820 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2015-0009 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-h582-2pch-3xv3 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2015-5143)Record last updated .