Cisco Ultra Cloud Core - Subscriber Microservices Infrastructure Privilege Escalation Vulnerability

published 2022-04-06 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-26012

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 18%
public exploits: 0; none known

A vulnerability in the Common Execution Environment (CEE) ConfD CLI of Cisco Ultra Cloud Core - Subscriber Microservices Infrastructure (SMI) software could allow an authenticated, local attacker to escalate privileges on an affected device. This vulnerability is due to insufficient access control in the affected CLI. An attacker could exploit this vulnerability by authenticating as a CEE ConfD CLI user and executing a specific CLI command. A successful exploit could allow an attacker to access privileged containers with root privileges.

Patch / fix

fixed in 1

cisco ultra_cloud_core_-_subscriber_microservices_infrastructure 2020.02.2.47, 2020.02.7.07

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-11-06)

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

Cisco Cisco Ultra Cloud Core - Subscriber Microservices Infrastructure

Classification

Weakness

CWE-284 Improper Access Control

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-uccsmi-prvesc-BQHGe4cm
vendor-advisory

Sources

CVE List CVE-2022-20762
NVD CVE-2022-20762

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Summary