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Ericom Access Server 9.2.0 server-side request forgery

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

A vulnerability classified as critical has been found in Ericom Access Server 9.2.0. Affected is an unknown functionality. The manipulation with an unknown input leads to a server-side request forgery vulnerability. CWE is classifying the issue as CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Ericom Access Server 9.2.0 (for AccessNow and Ericom Blaze) allows SSRF to make outbound WebSocket connection requests on arbitrary TCP ports, and provides "Cannot connect to" error messages to inform the attacker about closed ports.

The weakness was disclosed 08/22/2020 by John Page (Website). The advisory is available at hyp3rlinx.altervista.org. This vulnerability is traded as CVE-2020-24548. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

After immediately, there has been an exploit disclosed. The exploit is shared for download at hyp3rlinx.altervista.org. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Further details are available at seclists.org.

Productinfo

Vendor

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Version

CPE 2.3info

CPE 2.2info

Video

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CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.9

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

08/19/2020 🔍
08/22/2020 +3 days 🔍
08/22/2020 +0 days 🔍
08/22/2020 +0 days 🔍
11/11/2020 +81 days 🔍

Sourcesinfo

Advisory: hyp3rlinx.altervista.org
Researcher: John Page
Status: Not defined

CVE: CVE-2020-24548 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍

Entryinfo

Created: 08/22/2020 09:41
Updated: 11/11/2020 06:18
Changes: 08/22/2020 09:41 (43), 08/30/2020 17:11 (16), 11/11/2020 06:18 (1)
Complete: 🔍
Submitter: hyp3rlinx
Cache ID: 79:D65:103

Submitinfo

Accepted

  • Submit #188: Ericom Access Server for (AccessNow & Ericom Blaze) v9.2.0 / Server Side Request Forgery / CVE-2020-24548 (by hyp3rlinx)

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