CVE-2009-2052

HighCVSS 7.8/10Last modified Jun 16, 2026

Description

Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), 7.0 before 7.0(2), and 7.1 before 7.1(2); and Cisco Unified Presence 1.x, 6.x before 6.0(6), and 7.x before 7.0(4); allows remote attackers to cause a denial of service (TCP services outage) via a large number of TCP connections, related to "tracking of network connections," aka Bug IDs CSCsq22534 and CSCsw52371.

Metrics

CVSS 2.0 7.8/10AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected software

VendorProductVersions
n/an/an/a

References

Timeline

Published
Aug 27, 2009
Last modified
Jun 16, 2026
NVD status
Modified

Related CVEs from 2009

CVE-2009-20537.8Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), 7.0 before 7.0(2a)su1, andCVE-2009-20547.8Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), 7.0 before 7.0(2a)su1, andCVE-2009-20555.9Cisco IOS XR 3.4.0 through 3.8.1 allows remote attackers to cause a denial of service (session reset) via a BGP UPDATE message with an invalCVE-2009-20563.3Cisco IOS XR 3.8.1 and earlier allows remote authenticated users to cause a denial of service (process crash) via vectors involving a BGP UPCVE-2009-20575.8Microsoft Internet Explorer before 8 uses the HTTP Host header to determine the context of a document provided in a (1) 4xx or (2) 5xx CONNECVE-2009-20586.8Apple Safari before 3.2.2 uses the HTTP Host header to determine the context of a document provided in a (1) 4xx or (2) 5xx CONNECT responseCVE-2009-20596.8Opera, possibly before 9.25, uses the HTTP Host header to determine the context of a document provided in a (1) 4xx or (2) 5xx CONNECT respoCVE-2009-20605.8src/net/http/http_transaction_winhttp.cc in Google Chrome before 1.0.154.53 uses the HTTP Host header to determine the context of a documentCVE-2009-20619.3Mozilla Firefox before 3.0.10 processes a 3xx HTTP CONNECT response before a successful SSL handshake, which allows man-in-the-middle attackCVE-2009-20626.8Apple Safari before 3.2.2 processes a 3xx HTTP CONNECT response before a successful SSL handshake, which allows man-in-the-middle attackers CVE-2009-20636.8Opera, possibly before 9.25, processes a 3xx HTTP CONNECT response before a successful SSL handshake, which allows man-in-the-middle attackeCVE-2009-20646.8Microsoft Internet Explorer 8, and possibly other versions, detects http content in https web pages only when the top-level frame uses https
CVE-2009-2052: High severity, CVSS 7.8 | Vulnix