CVE-2021-1300: Cisco SD-WAN Buffer Overflow Vulnerabilities
First published: Wed Jan 20 2021(Updated: )
Multiple vulnerabilities in Cisco SD-WAN products could allow an unauthenticated, remote attacker to execute attacks against an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS XE sd-wan | ||
| Cisco SD-WAN firmware | =18.3.8 | |
| Cisco SD-WAN firmware | =18.4.4 | |
| Cisco SD-WAN firmware | =19.2.1 | |
| Cisco SD-WAN firmware | =19.2.99 | |
| Cisco vSmart Controller Firmware | ||
| Cisco vEdge 100m router | ||
| Cisco vEdge-1000 Firmware | ||
| Cisco vEdge 100b | ||
| Cisco vEdge 100m router | ||
| Cisco vEdge 100wm router | ||
| Cisco vEdge 2000 | ||
| Cisco vEdge 5000 | ||
| Cisco vEdge Cloud | ||
| Cisco Catalyst SD-WAN Manager | ||
| Cisco vBond Orchestrator |
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Reference Links
Frequently Asked Questions
What is CVE-2021-1300?
CVE-2021-1300 is a vulnerability in Cisco SD-WAN products that allows an unauthenticated remote attacker to execute attacks against an affected device.
What is the severity of CVE-2021-1300?
CVE-2021-1300 has a severity rating of 9.8, which is considered critical.
Which software is affected by CVE-2021-1300?
Cisco IOS XE SD-WAN, Cisco SD-WAN Firmware 18.3.8, 18.4.4, 19.2.1, 19.2.99, Cisco SD-WAN Vsmart Controller Firmware are affected by CVE-2021-1300.
How can I fix CVE-2021-1300?
To fix CVE-2021-1300, Cisco recommends updating to the latest available software version.
Where can I find more information about CVE-2021-1300?
You can find more information about CVE-2021-1300 on the Cisco Security Advisory page.
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- agent/type
- agent/weakness
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- agent/references
- agent/severity
- agent/description
- agent/first-publish-date
- agent/event
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-api
- agent/software-canonical-lookup-request
- collector/nvd-index
- vendor/cisco
- canonical/cisco ios xe sd-wan
- canonical/cisco sd-wan firmware
- version/cisco sd-wan firmware/18.3.8
- version/cisco sd-wan firmware/18.4.4
- version/cisco sd-wan firmware/19.2.1
- version/cisco sd-wan firmware/19.2.99
- canonical/cisco vsmart controller firmware
- canonical/cisco vedge 100m router
- canonical/cisco vedge-1000 firmware
- canonical/cisco vedge 100b
- canonical/cisco vedge 100wm router
- canonical/cisco vedge 2000
- canonical/cisco vedge 5000
- canonical/cisco vedge cloud
- canonical/cisco catalyst sd-wan manager
- canonical/cisco vbond orchestrator