CVE-2016-1381 describes a memory leak vulnerability in Cisco AsyncOS versions 8.5 through 9.0 on Web Security Appliance (WSA) devices. This flaw allows remote attackers to trigger a denial of service by sending specific HTTP file-range requests for cached content, leading to memory exhaustion. With a CVSS score of 7.5 (High), the vulnerability is easily exploitable over the network with low attack complexity and no user interaction, primarily impacting system availability. While no public exploit code or active exploitation has been confirmed, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the security community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
8.5.0-497CPE matchmatch criteria | cpe:2.3:a:cisco:web_security_appliance:8.5.0-497:*:*:*:*:*:*:* | ||
8.5.0.000CPE matchmatch criteria | cpe:2.3:a:cisco:web_security_appliance:8.5.0.000:*:*:*:*:*:*:* | ||
8.5.1-021CPE matchmatch criteria | cpe:2.3:a:cisco:web_security_appliance:8.5.1-021:*:*:*:*:*:*:* | ||
8.5.2-024CPE matchmatch criteria | cpe:2.3:a:cisco:web_security_appliance:8.5.2-024:*:*:*:*:*:*:* | ||
8.5.2-027CPE matchmatch criteria | cpe:2.3:a:cisco:web_security_appliance:8.5.2-027:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.