CVE-2020-3516 is a medium-severity vulnerability affecting Cisco IOS XE Software, specifically within its web server authentication. An authenticated, remote attacker can exploit insufficient input validation by entering unexpected characters during authentication, leading to a denial-of-service condition where the web server crashes. Recovery requires manual intervention to disable and re-enable the web server. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the vulnerability could still impact system availability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 16.9.6CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:* | ||
>= 16.12.0, < 16.12.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:* | ||
>= 17.1.0, < 17.1.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:* | ||
17.2.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:17.2.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
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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.