CVE-2020-4040 — HIGH (8.6) — White Hats Nepal

Q: How severe is CVE-2020-4040?

CVE-2020-4040 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2020-4040?

Check the references section above for vendor advisories and patch information. Affected products include: Boltcms Bolt.

Vulnerability Description

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

CVSS Score

8.6

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Boltcms	Bolt	< 3.7.1

Related Weaknesses (CWE)

CWE-352

References

http://packetstormsecurity.com/files/158299/Bolt-CMS-3.7.0-XSS-CSRF-Shell-UploadExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2020/Jul/4ExploitMailing ListThird Party Advisory
https://github.com/bolt/bolt/commit/b42cbfcf3e3108c46a80581216ba03ef449e419fPatchThird Party Advisory
https://github.com/bolt/bolt/pull/7853PatchThird Party Advisory
https://github.com/bolt/bolt/security/advisories/GHSA-2q66-6cc3-6xm8PatchThird Party Advisory
http://packetstormsecurity.com/files/158299/Bolt-CMS-3.7.0-XSS-CSRF-Shell-UploadExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2020/Jul/4ExploitMailing ListThird Party Advisory
https://github.com/bolt/bolt/commit/b42cbfcf3e3108c46a80581216ba03ef449e419fPatchThird Party Advisory
https://github.com/bolt/bolt/pull/7853PatchThird Party Advisory
https://github.com/bolt/bolt/security/advisories/GHSA-2q66-6cc3-6xm8PatchThird Party Advisory

FAQ

What is CVE-2020-4040?

CVE-2020-4040 is a vulnerability with a CVSS score of 8.6 (HIGH). 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...

How severe is CVE-2020-4040?

CVE-2020-4040 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-4040?

Check the references section above for vendor advisories and patch information. Affected products include: Boltcms Bolt.