CVE-2014-3321 describes a denial-of-service vulnerability in Cisco IOS XR 4.3.4 and earlier on ASR 9000 devices with enabled bridge-group virtual interface (BVI) routing. Remote attackers can exploit this flaw by sending crafted MPLS packets, leading to chip and card hangs on affected devices. The vulnerability has a CVSS score of 5.7, indicating a medium severity, with an adjacent network attack vector and medium attack complexity, resulting in a complete loss of availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.3.4CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:* | ||
4.3.0CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:4.3.0:*:*:*:*:*:*:* | ||
4.3.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:4.3.1:*:*:*:*:*:*:* | ||
4.3.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:4.3.2:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:h:cisco:asr_9000_rsp440_router:-:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:A/AC:M/Au:N/C:N/I:N/A:C
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.0 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.