CVE-2020-3258 Cisco IOS Software for Cisco Industrial Routers Arbitrary Code Execution Vulnerabilities
Unauthenticated remote attackers can execute arbitrary code or cause denial of service on Cisco Industrial Routers via memory corruption flaws.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-3258?
CVE-2020-3258 is a critical memory corruption vulnerability in Cisco Ios, published on 3 Jun 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-119
Which versions are affected by CVE-2020-3258?
It affects 1 product.
Products include Cisco Ios.
How do I fix CVE-2020-3258?
No fix has been published for CVE-2020-3258 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-3258 being exploited?
There is no known exploitation of CVE-2020-3258 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios
- CVE-2017-12240 Cisco IOS and IOS XE Software DHCP Remote Code Execution
- CVE-2017-3881 Cisco IOS and IOS XE Remote Code Execution
- CVE-2018-0167 Cisco IOS, XR, and XE Software Buffer Overflow
- CVE-2017-6736 Cisco IOS and IOS XE Software SNMP Remote Code Execution
- CVE-2017-6737 Cisco IOS and IOS XE Software SNMP Remote Code Execution
Sources
Also known as GHSA-f2gp-v3qf-r49j.