CSRF in Bolt
CVE-2020-4040
Bolt CMS before version 3.7.1 lacked CSRF protection in the preview generating endpoint. Previews are intended to be generated by the admins, developers, chief-editors, and editors, who are authorized to create content in the application. But due to lack of proper CSRF protection, unauthorized users could generate a preview. This has been fixed in Bolt 3.7.1
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.018 (77.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Bolt — versions < 3.7.1
- Boltcms Bolt
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/bolt/bolt/security/advisories/GHSA-2q66-6cc3-6xm8 (Patch, Third Party Advisory)
- github.com/bolt/bolt/pull/7853 (Patch, Third Party Advisory)
- github.com/bolt/bolt/commit/b42cbfcf3e3108c46a80581216ba03ef449e419f (Patch, Third Party Advisory)
- packetstormsecurity.com/files/158299/Bolt-CMS-3.7.0-XSS-CSRF-Shell-Upload.html (Exploit, VDB Entry, Third Party Advisory)
- seclists.org/fulldisclosure/2020/Jul/4 (mailing-list, Exploit, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-4040?
- CVE-2020-4040 is a high-severity vulnerability in Bolt, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.6/10. Published 2020-06-08.
- How severe is CVE-2020-4040?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2020-4040 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.