Cisco Finesse OpenSocial Gadget Editor Vulnerabilities [CVE-2021-1245 & CVE-2021-1246]

CVE numbers – CVE-2021-1245 & CVE-2021-1246

Multiple vulnerabilities in the web-based management interface of Cisco Finesse could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack and obtain potentially confidential information by leveraging a flaw in the authentication mechanism.

For more information about these vulnerabilities, see the Details section of this advisory.

Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.

Cisco Finesse OpenSocial Gadget Editor Unauthenticated Access Vulnerability

A vulnerability in the web management interface of Cisco Finesse could allow an unauthenticated, remote attacker to access the OpenSocial Gadget Editor without providing valid user credentials.

The vulnerability is due to missing authentication for a specific section of the web-based management interface. An attacker could exploit this vulnerability by accessing a crafted URL. A successful exploit could allow the attacker to obtain access to a section of the interface, which they could use to obtain potentially confidential information and create arbitrary XML files.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

CVE ID: CVE-2021-1246
Bug ID(s): CSCvs52916
Security Impact Rating (SIR): Medium
CVSS Base Score: 6.5
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Cisco Finesse OpenSocial Gadget Editor Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco Finesse could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface.

The vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or access sensitive, browser-based information.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

CVE ID: CVE-2021-1245
Bug ID(s): CSCvs52916
Security Impact Rating (SIR): Medium
CVSS Base Score: 6.1
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Vulnerable Products

At the time of publication, these vulnerabilities affected Cisco Finesse releases earlier than Release 12.0 ES05 and Release 12.5 ES05.

Fixed Releases

At the time of publication, Cisco Finesse releases 12.0 ES05 and later and 12.5 ES05 and later contained the fix for these vulnerabilities.

Source

CVE-2021-1246 was found during the resolution of a Cisco TAC support case.

CVE-2021-1245: Cisco would like to thank security researchers Brett Staniforth, Christopher Benscoter, and David Sullivan (GobiasInfosec) for independently reporting this vulnerability.

Duncan Newell

Duncan is a technology professional with over 20 years experience of working in various IT roles. He has a interest in cyber security, and has a wide range of other skills in radio, electronics and telecommunications.

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