CVE-2021-43786
API token verification can be bypassed in NodeBB
9.8
CRITICAL
CVSS 3.1
EPSS 0.47%
Description
### Impact Incorrect logic present in the token verification step unintentionally allowed master token access to the API. ### Patches The vulnerability has been patch as of v1.18.5. ### Workarounds Cherry-pick commit hash 04dab1d550cdebf4c1567bca9a51f8b9ca48a500 to receive this patch in lieu of a full upgrade. ### For more information If you have any questions or comments about this advisory: * Email us at [security@nodebb.org](mailto:security@nodebb.org)
How to fix CVE-2021-43786
To remediate CVE-2021-43786, upgrade the affected package to a fixed version below.
- —upgrade to 1.18.5 or later
Is CVE-2021-43786 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 1.15.0, < 1.18.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |