Multiple vulnerabilities in Cisco Intersight Virtual Appliance



Published: 2021-07-22
Risk Medium
Patch available YES
Number of vulnerabilities 4
CVE ID CVE-2021-1600
CVE-2021-1601
CVE-2021-1617
CVE-2021-1618
CWE ID CWE-284
CWE-22
CWE-78
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Cisco Intersight Virtual Appliance
Server applications / Other server solutions

Vendor

Security Advisory

1) Improper access control

Risk: Medium

CVSSv3.1: 7.2 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-1600

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 insufficient restrictions for IPv4 packets that are received on the external management interface. A remote attacker on the local network can access sensitive internal services and make configuration changes on the affected device.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Intersight Virtual Appliance: before 1.0.9-292

CPE External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsi2-iptaclbp-L8Dzs8m8

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper access control

Risk: Medium

CVSSv3.1: 7.2 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-1601

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 insufficient restrictions for IPv6 packets that are received on the external management interface. A remote attacker on the local network can access sensitive internal services and make configuration changes on the affected device.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Intersight Virtual Appliance: before 1.0.9-292

CPE External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsi2-iptaclbp-L8Dzs8m8

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Path traversal

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-1617

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the web-based management interface. A remote administrator can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Cisco Intersight Virtual Appliance: before 1.0.9-292

CPE External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsi2-dtcinj-yH5U4RSx

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) OS Command Injection

Risk: Low

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-1618

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in the web-based management interface. A remote administrator can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Intersight Virtual Appliance: before 1.0.9-292

CPE External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsi2-dtcinj-yH5U4RSx

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user 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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