Information disclosure in socket.io
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-28481 |
| CWE-ID | CWE-264 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
socket.io Universal components / Libraries / Libraries used by multiple products |
| Vendor | socket.io |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU50833
Risk: Medium
CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2020-28481
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to CORS misconfiguration. A remote attacker can gain access to sensitive information on the system.
MitigationInstall updates from vendor's website.
Vulnerable software versionssocket.io: 0.5.0 - 2.3.0
External linkshttp://github.com/socketio/socket.io/issues/3671
http://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1056358
http://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1056357
http://snyk.io/vuln/SNYK-JS-SOCKETIO-1024859
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
