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Vulnerability DatabaseCVE-2020-24548

CVE-2020-24548: 
Ericom Access Server vulnerability analysis and mitigation

Overview

Ericom Access Server 9.2.0 (for AccessNow and Ericom Blaze) contains a Server-Side Request Forgery (SSRF) vulnerability that allows attackers to make outbound WebSocket connection requests on arbitrary TCP ports. The vulnerability was discovered and disclosed on August 26, 2020 (NVD).

Technical details

The vulnerability has been assigned CVE-2020-24548 and received a CVSS v3.1 Base Score of 5.3 (MEDIUM) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. The vulnerability allows attackers to perform SSRF attacks by making outbound WebSocket connection requests, and the server provides 'Cannot connect to' error messages that inform the attacker about closed ports (NVD).

Impact

The vulnerability allows attackers to perform network reconnaissance by scanning internal ports through WebSocket connections. When exploited, the server's error messages can reveal information about the status of internal ports, potentially exposing network topology and available services (NVD).

Exploitability

The vulnerability is exploitable remotely and requires no authentication or user interaction. Proof-of-concept exploits have been publicly disclosed (PacketStorm).

Additional resources

Source: This report was generated using AI

Related Ericom Access Server vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2020-24548MEDIUM5.3
  • Ericom Access Server logoEricom Access Server
  • cpe:2.3:a:ericom:access_server
NoNoAug 26, 2020

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