CVE-2011-2882 describes a stack-based buffer overflow vulnerability within the NSEPA.NsepaCtrl.1 ActiveX control in nsepa.ocx, affecting Citrix Access Gateway Enterprise Edition versions 8.1, 9.0, and 9.1. This critical flaw, with a CVSS score of 9.3, allows remote unauthenticated attackers to execute arbitrary code by sending specially crafted HTTP header data, requiring medium attack complexity. While not listed on the KEV catalog, a Metasploit module and an ExploitDB entry confirm the existence of public exploit code, though there is no evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
8.1CPE matchmatch criteria | cpe:2.3:a:citrix:access_gateway:8.1:*:enterprise:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:a:citrix:access_gateway:9.0:*:enterprise:*:*:*:*:* | ||
9.1CPE matchmatch criteria | cpe:2.3:a:citrix:access_gateway:9.1:*:enterprise:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:C/I:C/A:C
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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.
Remediation records are not available for this CVE.