Vulnerability Details : CVE-2020-36048
Engine.IO before 4.0.0 allows attackers to cause a denial of service (resource consumption) via a POST request to the long polling transport.
Vulnerability category: Denial of service
Products affected by CVE-2020-36048
- cpe:2.3:a:socket:engine.io:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-36048
0.24%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 62 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-36048
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-36048
-
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-36048
-
https://github.com/socketio/engine.io/commit/734f9d1268840722c41219e69eb58318e0b2ac6b
feat: decrease the default value of maxHttpBufferSize · socketio/engine.io@734f9d1 · GitHubPatch;Third Party Advisory
-
https://github.com/bcaller/kill-engine-io
GitHub - bcaller/kill-engine-io: DoS python-engineio / socketio via the long polling transportThird Party Advisory
-
https://blog.caller.xyz/socketio-engineio-dos/
SocketIO / EngineIO DoS | callerxyzExploit;Third Party Advisory
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