High severity · published Jun 4, 2021
CVE-2021-1528
A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to gain elevated privileges on an affected system
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to gain elevated privileges on an affected system. This vulnerability exists because the affected software does not properly restrict access to privileged processes. An attacker could exploit this vulnerability by invoking a privileged process in the affected system. A successful exploit could allow the attacker to perform actions with the privileges of the root user.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CS
Catalyst Sd-wan Manager · Cisco
20.4 before 20.4.2; 20.5 before 20.5.1 · source: NVD
SV
Sd-wan Vbond Orchestrator · Cisco
20.4 before 20.4.2; 20.5 before 20.5.1 · source: NVD
V1
Vedge 100 Firmware · Cisco
20.4 before 20.4.2; 20.5 before 20.5.1 · source: NVD
V1
Vedge 1000 Firmware · Cisco
20.4 before 20.4.2; 20.5 before 20.5.1 · source: NVD
V1
Vedge 100b Firmware · Cisco
20.4 before 20.4.2; 20.5 before 20.5.1; 20.4 before 20.4.2; 20.5 before 20.5.1 · source: NVD
V1
Vedge 100m Firmware · Cisco
20.4 before 20.4.2; 20.5 before 20.5.1 · source: NVD
V1
Vedge 100wm Firmware · Cisco
20.4 before 20.4.2; 20.5 before 20.5.1 · source: NVD
V2
Vedge 2000 Firmware · Cisco
20.4 before 20.4.2; 20.5 before 20.5.1 · source: NVD
V5
Vedge 5000 Firmware · Cisco
20.4 before 20.4.2; 20.5 before 20.5.1 · source: NVD
VC
Vedge Cloud Firmware · Cisco
20.4 before 20.4.2; 20.5 before 20.5.1 · source: NVD
VC
Vsmart Controller · Cisco
20.4 before 20.4.2; 20.5 before 20.5.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-1528
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-1528
Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-fuErCWwF
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