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High-Severity Cisco DoS Flaw Can Immobilize ASR Routers

🗓️ 11 Nov 2020 14:45:50Reported by Lindsey O'DonnellType 
threatpost
 threatpost🔗 threatpost.com👁 242 Views

A high-severity flaw in Cisco IOS XR software could cripple ASR Routers, causing a DoS condition due to buffer resource exhaustion. Vulnerability fixed in updated releases

Related
Refs
ReporterTitlePublishedViews
Family
nessus
Tenable Nessus		Cisco IOS XR Software Cisco Discovery Protocol RCE (cisco-sa-20200205-iosxr-cdp-rce)
18 Feb 202000:00
–nessus
nessus
Tenable Nessus		Cisco IOS XR Software Cisco Discovery Protocol Remote Code Execution Vulnerability (cisco-sa-20200205-iosxr-cdp-rce)
10 Feb 202000:00
–nessus
nessus
Tenable Nessus		Cisco IOS XR Software for ASR 9000 Series Slow Path Forwarding DoS (cisco-sa-xr-cp-dos-ej8VB9QY)
13 Nov 202000:00
–nessus
ics
ICS		Potential for China Cyber Response to Heightened U.S.–China Tensions
20 Oct 202012:00
–ics
attackerkb
ATTACKERKB		CVE-2020-3118 (AKA: CDPwn)
5 Feb 202000:00
–attackerkb
bdu_fstec
BDU FSTEC		The vulnerability of the Cisco Discovery protocol implementation in the Cisco IOS XR operating system allows a perpetrator to execute arbitrary code or trigger a reboot of the vulnerable device.
4 Mar 202000:00
–bdu_fstec
bdu_fstec
BDU FSTEC		The vulnerability of the input packet processing function implementation in Cisco IOS XR allows a attacker to trigger a service failure.
1 Dec 202000:00
–bdu_fstec
circl
Circl		CVE-2020-3118
7 Feb 202011:05
–circl
cisa_kev
CISA KEV Catalog		Cisco IOS XR Software Discovery Protocol Format String Vulnerability
3 Nov 202100:00
–cisa_kev
cisco
Cisco		Cisco IOS XR Software Cisco Discovery Protocol Format String Vulnerability
5 Feb 202016:00
–cisco
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SourceLink
toolswww.tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xr-cp-dos-ej8VB9QY
threatpostwww.threatpost.com/newsletter-sign/
cvewww.cve.mitre.org/cgi-bin/cvename.cgi
mediawww.media.threatpost.com/wp-content/uploads/sites/103/2020/11/11092856/cisco-flaw.png
threatpostwww.threatpost.com/cisco-zero-day-anyconnect-secure-patch/160988/
threatpostwww.threatpost.com/cisco-dos-flaws-network-security-software/160414/
ciscowww.cisco.com/c/en/us/support/docs/csa/cisco-sa-20200205-iosxr-cdp-rce.html
threatpostwww.threatpost.com/webinars/2020-healthcare-cybersecurity-priorities-data-security-ransomware-and-patching/
threatpostwww.threatpost.com/webinars/2020-healthcare-cybersecurity-priorities-data-security-ransomware-and-patching/
threatpostwww.threatpost.com/webinars/2020-healthcare-cybersecurity-priorities-data-security-ransomware-and-patching/
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11 Nov 2020 14:45Current
2Low risk
Vulners AI Score2
EPSS0.11685
ciscoios xrasr routersdosvulnerabilitybuffer resourcessecurity advisory
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