CVE-2009-2872 describes a denial-of-service vulnerability affecting Cisco IOS versions 12.0 through 12.4 when IP-based tunnels and Cisco Express Forwarding are enabled. A remote, authenticated attacker can trigger a device reload by sending a malformed packet during a tunnel-to-tunnel switching event. With a CVSS score of 6.8, this vulnerability is considered medium severity, requiring authentication but leading to a complete loss of availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
12.0CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.0:*:*:*:*:*:*:* | ||
12.0daCPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.0da:*:*:*:*:*:*:* | ||
12.0dbCPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.0db:*:*:*:*:*:*:* | ||
12.0dcCPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.0dc:*:*:*:*:*:*:* | ||
12.0sCPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.0s:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:S/C:N/I:N/A:C
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The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.