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Vulnerability record · CVE-2007-2782 · published 21 May 2007

CVE-2007-2782: Packeteer packetshaper vulnerability

PPacketeer · Packetshaper

Packeteer PacketShaper uses fixed increments in TCP initial sequence number (ISN) values, which allows remote attackers to predict the ISN value, and perform session hijacking or disruption.

7.5 CVSS 2.0 High EPSS 1.6% · top 25.2%
7.5CVSS 2.0 base score
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

Packeteer PacketShaper uses fixed increments in TCP initial sequence number (ISN) values, which allows remote attackers to predict the ISN value, and perform session hijacking or disruption.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://osvdb.org/36226
http://secunia.com/advisories/25344
http://securityreason.com/securityalert/2726
http://www.securityfocus.com/archive/1/468972/100/0/threaded
http://www.securityfocus.com/bid/24048
http://www.vupen.com/english/advisories/2007/1891
http://osvdb.org/36226
http://secunia.com/advisories/25344
http://securityreason.com/securityalert/2726
http://www.securityfocus.com/archive/1/468972/100/0/threaded
http://www.securityfocus.com/bid/24048
http://www.vupen.com/english/advisories/2007/1891

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

5.0CVE-2007-3151Packeteer packetshaper vulnerabilityrpttop.htm in the web management interface in Packeteer PacketShaper 7.3.0g2 and 7.5.0g1 allows remote attackers to cause a denial of service (device…EPSS 7.3%4.3CVE-2008-1037Packeteer packetshaper cross-site scripting vulnerabilityCross-site scripting (XSS) vulnerability in the file listing function in the web management interface in Packeteer PacketShaper and PolicyCenter 8.2.…EPSS 1.5%

Source: NIST National Vulnerability Database (record CVE-2007-2782), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.