CVE-2020-3258: Buffer Overflow
First published: Wed Jun 03 2020(Updated: )
Multiple vulnerabilities in Cisco IOS Software for Cisco 809 and 829 Industrial Integrated Services Routers (Industrial ISRs) and Cisco 1000 Series Connected Grid Routers (CGR1000) could allow an unauthenticated, remote attacker or an authenticated, local attacker to execute arbitrary code on an affected system or cause an affected system to crash and reload. 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 | =15.8\(3\)m2 | |
| Cisco IOS | =15.8\(9\) | |
| Cisco IOS | =15.9 | |
| Cisco 1120 | ||
| Cisco 1240 | ||
| Cisco Ir809g-lte-ga-k9 | ||
| Cisco Ir809g-lte-la-k9 | ||
| Cisco Ir809g-lte-na-k9 | ||
| Cisco Ir809g-lte-vz-k9 | ||
| Cisco Ir829-2lte-ea-ak9 | ||
| Cisco Ir829-2lte-ea-bk9 | ||
| Cisco Ir829-2lte-ea-ek9 | ||
| Cisco Ir829gw-lte-ga-ck9 | ||
| Cisco Ir829gw-lte-ga-ek9 | ||
| Cisco Ir829gw-lte-ga-sk9 | ||
| Cisco Ir829gw-lte-ga-zk9 | ||
| Cisco Ir829gw-lte-na-ak9 | ||
| Cisco Ir829gw-lte-vz-ak9 |
Remedy
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-iot-rce-xYRSeMNH
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Reference Links
Frequently Asked Questions
What is the vulnerability ID of this Cisco IOS vulnerability?
The vulnerability ID is CVE-2020-3258.
What is the severity level of CVE-2020-3258?
The severity level of CVE-2020-3258 is critical, with a score of 9.8.
Which Cisco devices are affected by CVE-2020-3258?
The vulnerability affects Cisco 809 and 829 Industrial Integrated Services Routers (Industrial ISRs) and Cisco 1000 Series Connected Grid Routers (CGR1000).
Can an unauthenticated attacker exploit CVE-2020-3258?
Yes, an unauthenticated attacker can exploit CVE-2020-3258.
How can I fix CVE-2020-3258?
To fix CVE-2020-3258, it is recommended to apply the necessary updates provided by Cisco.
- agent/weakness
- agent/references
- agent/author
- agent/severity
- agent/type
- agent/description
- agent/event
- agent/softwarecombine
- agent/first-publish-date
- agent/last-modified-date
- agent/tags
- agent/remedy
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/cisco
- canonical/cisco ios
- version/cisco ios/15.8\(3\)m2
- version/cisco ios/15.8\(9\)
- version/cisco ios/15.9
- canonical/cisco 1120
- canonical/cisco 1240
- canonical/cisco ir809g-lte-ga-k9
- canonical/cisco ir809g-lte-la-k9
- canonical/cisco ir809g-lte-na-k9
- canonical/cisco ir809g-lte-vz-k9
- canonical/cisco ir829-2lte-ea-ak9
- canonical/cisco ir829-2lte-ea-bk9
- canonical/cisco ir829-2lte-ea-ek9
- canonical/cisco ir829gw-lte-ga-ck9
- canonical/cisco ir829gw-lte-ga-ek9
- canonical/cisco ir829gw-lte-ga-sk9
- canonical/cisco ir829gw-lte-ga-zk9
- canonical/cisco ir829gw-lte-na-ak9
- canonical/cisco ir829gw-lte-vz-ak9