CVE-2021-1274 | BDVDB-2026-147813 Detail

CiscoCisco SD-WAN Solution

Description#

Multiple vulnerabilities in Cisco SD-WAN products could allow an unauthenticated, remote attacker to execute denial of service (DoS) attacks against an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References#

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-dosmulti-48jJuEUP

Exploit#

No public exploit known

History#

Version 12021-01-20Record published in the CVE List.
Version 22024-11-12Most recent update recorded in the CVE List.

Published

Published: 2021-01-20
Last modified: 2024-11-12

Vendor information

Vendor: Cisco
Product: Cisco SD-WAN Solution

All Cisco vulnerabilities

Score

8.6 High

EPSS

1.9%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 80.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

No version data in the source record.

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.6 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Changed
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).