Cisco Unified Computing System up to 4.1(2a) information exposure

Summaryinfo

A vulnerability has been found in Cisco Unified Computing System and classified as problematic. Impacted is an unknown function. Performing a manipulation results in information exposure. This vulnerability is known as CVE-2020-26062. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Cisco Unified Computing System. This affects an unknown part. The manipulation with an unknown input leads to a information exposure vulnerability. CWE is classifying the issue as CWE-203. The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not. This is going to have an impact on confidentiality. The summary by CVE is:

A vulnerability in Cisco Integrated Management Controller could allow an unauthenticated, remote attacker to enumerate valid usernames within the vulnerable application. The vulnerability is due to differences in authentication responses sent back from the application as part of an authentication attempt. An attacker could exploit this vulnerability by sending authentication requests to the affected application. A successful exploit could allow the attacker to confirm the names of administrative user accounts for use in further attacks.There are no workarounds that address this vulnerability.

It is possible to read the advisory at sec.cloudapps.cisco.com. This vulnerability is uniquely identified as CVE-2020-26062 since 09/24/2020. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Virtualization Software

Vendor

• Cisco

Name

• Unified Computing System

Version

• 3.2(1d)
• 3.2(2b)
• 3.2(2c)
• 3.2(2d)
• 3.2(2e)
• 3.2(2f)
• 3.2(3a)
• 3.2(3b)
• 3.2(3d)
• 3.2(3e)
• 3.2(3g)
• 3.2(3h)
• 3.2(3i)
• 3.2(3j)
• 3.2(3k)
• 3.2(3l)
• 3.2(3n)
• 3.2(3o)
• 3.2(3p)
• 4.0(1a)
• 4.0(1b)
• 4.0(1c)
• 4.0(1d)
• 4.0(2a)
• 4.0(2b)
• 4.0(2d)
• 4.0(2e)
• 4.0(4a)
• 4.0(4b)
• 4.0(4c)
• 4.0(4d)
• 4.0(4e)
• 4.0(4f)
• 4.0(4g)
• 4.0(4h)
• 4.0(4i)
• 4.1(1a)
• 4.1(1b)
• 4.1(1c)
• 4.1(1d)
• 4.1(1e)
• 4.1(2a)

License

• commercial

Website

• Vendor: https://www.cisco.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

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