CVE-2025-20196 is a denial-of-service vulnerability affecting the Cisco IOx application hosting environment in Cisco IOS and IOS XE Software. An unauthenticated, remote attacker can exploit this by sending crafted HTTP requests, causing the IOx process to stop responding and requiring manual restart. Rated Medium (CVSS 5.3), the attack requires no user interaction and has low impact on availability. Currently, there is no public exploit code, active exploitation, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
16.1.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:16.1.1:*:*:*:*:*:*:* | ||
16.1.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:16.1.2:*:*:*:*:*:*:* | ||
16.1.3CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:16.1.3:*:*:*:*:*:*:* | ||
16.2.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:16.2.1:*:*:*:*:*:*:* | ||
16.2.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:16.2.2:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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