CVE-2002-1768 describes a denial-of-service vulnerability affecting Cisco IOS versions 11.1 through 12.2 when HSRP support is not enabled. An unauthenticated remote attacker can exploit this by sending randomly sized UDP packets to HSRP port 1985, leading to high CPU consumption on the affected device. The vulnerability has a CVSS score of 5.0, indicating a medium severity with low attack complexity and no authentication required. While there is no known active exploitation, public exploit code, or KEV listing, the vulnerability has garnered significant community discussion, suggesting awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
11.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios:11.1:*:*:*:*:*:*:* | ||
11.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios:11.2:*:*:*:*:*:*:* | ||
12.0CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.0:*:*:*:*:*:*:* | ||
12.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.1:*:*:*:*:*:*:* | ||
12.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.