How severe is CVE-2007-2782?

CVE-2007-2782 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2007-2782 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-2782?

CVE-2007-2782 primarily affects Packeteer Packetshaper. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-2782?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2007-2782 published?

CVE-2007-2782 was published on 2007-05-21 and last updated on 2026-06-16.

CVE-2007-2782

CVE-2007-2782 is a high-severity vulnerability in Packeteer Packetshaper with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Packeteer Packetshaper
Published: 2007-05-21
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2007-2782?: 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.
How severe is CVE-2007-2782?: CVE-2007-2782 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2007-2782 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-2782?: CVE-2007-2782 primarily affects Packeteer Packetshaper. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-2782?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2007-2782 published?: CVE-2007-2782 was published on 2007-05-21 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:packeteer:packetshaper:7.3.0g2:*:*:*:*:*:*:*
cpe:2.3:a:packeteer:packetshaper:7.5.0g1:*:*:*:*:*:*:*

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