Multiple vulnerabilities in Cisco Firepower Threat Defense Software



Published: 2021-10-29
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2021-34753
CVE-2021-34754
CWE-ID CWE-284
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Cisco Firepower Threat Defense (FTD)
Hardware solutions / Security hardware applicances

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper access control

EUVDB-ID: #VU57784

Risk: Medium

CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-34753

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the payload inspection for Ethernet Industrial Protocol (ENIP) traffic. A remote attacker can bypass configured access control and intrusion policies that should be activated for the ENIP packet.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Firepower Threat Defense (FTD): 6.2.2 - 7.0.0


CPE2.3 External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-enip-bypass-eFsxd8KP

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.

2) Improper access control

EUVDB-ID: #VU57785

Risk: Medium

CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-34754

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the payload inspection for Ethernet Industrial Protocol (ENIP) traffic. A remote attacker can bypass configured access control and intrusion policies that should be activated for the ENIP packet.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Firepower Threat Defense (FTD): 6.2.2 - 7.0.0


CPE2.3 External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-enip-bypass-eFsxd8KP

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.



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