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CVE-2021-1509 Details

Description

Multiple vulnerabilities in Cisco SD-WAN vEdge Software could allow an attacker to execute arbitrary code as the root user or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-buffover-MWGucjtO	CVE	Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-buffover-MWGucjtO	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	[email protected]

Affected Products

Product	Versions
cisco vedge 100 firmware	>= 20.4, < 20.4.1 >= 20.5, < 20.5.1 19.2.99
CPE cpe:2.3:o:cisco:vedge_100_firmware:::::::: cpe:2.3:o:cisco:vedge_100_firmware:19.2.99:::::::* Remediation No remediation found in references.
cisco vedge 100	All versions
CPE cpe:2.3:h:cisco:vedge_100:-:::::::* Remediation No remediation found in references.
cisco vedge 1000 firmware	>= 20.4, < 20.4.1 >= 20.5, < 20.5.1 19.2.99
CPE cpe:2.3:o:cisco:vedge_1000_firmware:::::::: cpe:2.3:o:cisco:vedge_1000_firmware:19.2.99:::::::* Remediation No remediation found in references.
cisco vedge 1000	All versions
CPE cpe:2.3:h:cisco:vedge_1000:-:::::::* Remediation No remediation found in references.
cisco vedge 100b firmware	>= 20.4, < 20.4.1 >= 20.5, < 20.5.1 19.2.99
CPE cpe:2.3:o:cisco:vedge_100b_firmware:::::::: cpe:2.3:o:cisco:vedge_100b_firmware:19.2.99:::::::* Remediation No remediation found in references.
cisco vedge 100b	All versions
CPE cpe:2.3:h:cisco:vedge_100b:-:::::::* Remediation No remediation found in references.
cisco vedge 100m firmware	>= 20.4, < 20.4.1 >= 20.5, < 20.5.1 19.2.99
CPE cpe:2.3:o:cisco:vedge_100m_firmware:::::::: cpe:2.3:o:cisco:vedge_100m_firmware:19.2.99:::::::* Remediation No remediation found in references.
cisco vedge 100m	All versions
CPE cpe:2.3:h:cisco:vedge_100m:-:::::::* Remediation No remediation found in references.
cisco vedge 100wm firmware	>= 20.4, < 20.4.1 >= 20.5, < 20.5.1 19.2.99
CPE cpe:2.3:o:cisco:vedge_100wm_firmware:::::::: cpe:2.3:o:cisco:vedge_100wm_firmware:19.2.99:::::::* Remediation No remediation found in references.
cisco vedge 100wm	All versions
CPE cpe:2.3:h:cisco:vedge_100wm:-:::::::* Remediation No remediation found in references.
cisco vedge 2000 firmware	>= 20.4, < 20.4.1 >= 20.5, < 20.5.1 19.2.99
CPE cpe:2.3:o:cisco:vedge_2000_firmware:::::::: cpe:2.3:o:cisco:vedge_2000_firmware:19.2.99:::::::* Remediation No remediation found in references.
cisco vedge 2000	All versions
CPE cpe:2.3:h:cisco:vedge_2000:-:::::::* Remediation No remediation found in references.
cisco vedge 5000 firmware	>= 20.4, < 20.4.1 >= 20.5, < 20.5.1 19.2.99
CPE cpe:2.3:o:cisco:vedge_5000_firmware:::::::: cpe:2.3:o:cisco:vedge_5000_firmware:19.2.99:::::::* Remediation No remediation found in references.
cisco vedge 5000	All versions
CPE cpe:2.3:h:cisco:vedge_5000:-:::::::* Remediation No remediation found in references.
cisco vedge cloud firmware	>= 20.4, < 20.4.1 >= 20.5, < 20.5.1 19.2.99
CPE cpe:2.3:o:cisco:vedge_cloud_firmware:::::::: cpe:2.3:o:cisco:vedge_cloud_firmware:19.2.99:::::::* Remediation No remediation found in references.
cisco vedge cloud	All versions
CPE cpe:2.3:h:cisco:vedge_cloud:-:::::::* Remediation No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	CISA-ADP
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Feb 16, 2023	Reanalysis	[email protected]
May 14, 2021	Initial Analysis	[email protected]

CVE-2021-1509 Details

Description

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References to Advisories, Solutions, and Tools

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