Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-1285 |
CWE-ID | CWE-770 |
Exploitation vector | Local network |
Public exploit | N/A |
Vulnerable software Subscribe |
Cisco UTD Snort IPS Engine Software for IOS XE Other software / Other software solutions Cisco UTD Engine for IOS XE SD-WAN Other software / Other software solutions Cisco 1000 Series Integrated Services Routers Hardware solutions / Routers & switches, VoIP, GSM, etc 4000 Series Integrated Services Routers Hardware solutions / Routers & switches, VoIP, GSM, etc Catalyst 8000V Edge Software Hardware solutions / Routers & switches, VoIP, GSM, etc Catalyst 8200 Series Edge Platforms Hardware solutions / Routers & switches, VoIP, GSM, etc Catalyst 8300 Series Edge Platforms Hardware solutions / Routers & switches, VoIP, GSM, etc Cloud Services Router 1000V Series Hardware solutions / Routers & switches, VoIP, GSM, etc Integrated Services Virtual Routers Hardware solutions / Routers & switches, VoIP, GSM, etc Snort Server applications / IDS/IPS systems, Firewalls and proxy servers |
Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU51250
Risk: Low
CVSSv3.1: 6.4 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-1285
CWE-ID:
CWE-770 - Allocation of Resources Without Limits or Throttling
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper handling of error conditions when processing Ethernet frames. A remote attacker on the local network can send malicious Ethernet frames and cause a denial of service condition on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCisco UTD Snort IPS Engine Software for IOS XE: 16.12 - 17.4
Cisco UTD Engine for IOS XE SD-WAN: 16.12 - 17.4
Cisco 1000 Series Integrated Services Routers: All versions
4000 Series Integrated Services Routers: All versions
Catalyst 8000V Edge Software: All versions
Catalyst 8200 Series Edge Platforms: All versions
Catalyst 8300 Series Edge Platforms: All versions
Cloud Services Router 1000V Series: All versions
Integrated Services Virtual Routers: All versions
Snort: before 2.9.17
External linksQ & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.