Cisco Unified Communications Manager IM & Presence Service XCP Authentication Service denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Cisco Unified Communications Manager IM & Presence Service. Affected is an unknown function of the component XCP Authentication Service. The manipulation leads to denial of service. This vulnerability is documented as CVE-2020-27121. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Unified Communications Manager IM & Presence Service (Unified Communication Software) (version now known) and classified as problematic. This issue affects some unknown processing of the component XCP Authentication Service. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was released 11/07/2020. It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2020-27121. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/13/2020 🔍
11/07/2020 +25 days 🔍
11/07/2020 +0 days 🔍
12/03/2020 +26 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: tools.cisco.com
Status: Confirmed

CVE: CVE-2020-27121 (🔍)
GCVE (CVE): GCVE-0-2020-27121
GCVE (VulDB): GCVE-100-164471

Entryinfo

Created: 11/07/2020 06:59
Updated: 12/03/2020 15:22
Changes: 11/07/2020 06:59 (37), 12/03/2020 15:19 (2), 12/03/2020 15:22 (19)
Complete: 🔍
Cache ID: 216::103

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