Is CVE-2011-1649 being actively exploited?

CVE-2011-1649 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-1649?

CVE-2011-1649 has a CVSS 2.0 base score of 7.8 (HIGH).

CVE-2011-1649

HIGH · CVSS 7.8EPSS 1.2%EU EUVD

The Internet Streamer application in Cisco Content Delivery System (CDS) with software 2.5.7, 2.5.8, and 2.5.9 before build 126 allows remote attackers to cause a denial of service (Web Engine crash) via a crafted URL, aka Bug IDs CSCtg67333 and CSCth25341.

Key facts

CVSS score: 7.8 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-399
EPSS score: 1.2% (69th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-1649)
Published: May 31, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-1649 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

cisco / content delivery system
cisco / content delivery system
cisco / content delivery system
cisco / content delivery system engine

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain