CVE-2015-0592 describes a denial-of-service vulnerability in the Zone-Based Firewall feature of Cisco IOS versions 15.4(2)T3 and earlier. Remote attackers can trigger a device reload by sending specially crafted network traffic that exploits incorrect kernel-timer handling. This vulnerability carries a high CVSS score of 7.8, indicating a critical impact on availability with low attack complexity and no authentication required. While no public exploits or active exploitation have been observed, and community discussion is minimal, the potential for a complete device outage warrants attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 15.4\(2\)t3CPE matchmatch criteria | cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:* | ||
15.4\(1\)tCPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.4\(1\)t:*:*:*:*:*:*:* | ||
15.4\(1\)t1CPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.4\(1\)t1:*:*:*:*:*:*:* | ||
15.4\(1\)t2CPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.4\(1\)t2:*:*:*:*:*:*:* | ||
15.4\(1\)t3CPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.4\(1\)t3:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/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, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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.