How severe is CVE-2008-0526?

CVE-2008-0526 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2008-0526 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-0526?

CVE-2008-0526 primarily affects Cisco Skinny Client Control Protocol (sccp) Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-0526?

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-2008-0526 published?

CVE-2008-0526 was published on 2008-02-15 and last updated on 2026-06-16.

CVE-2008-0526

CVE-2008-0526 is a high-severity vulnerability in Cisco Skinny Client Control Protocol (sccp) Firmware with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Skinny Client Control Protocol (sccp) Firmware
Published: 2008-02-15
Last modified: 2026-06-16

Description

Cisco Unified IP Phone 7940, 7940G, 7960, and 7960G running SCCP firmware allows remote attackers to cause a denial of service (reboot) via a long ICMP echo request (ping) packet.

Frequently asked questions

What is CVE-2008-0526?: Cisco Unified IP Phone 7940, 7940G, 7960, and 7960G running SCCP firmware allows remote attackers to cause a denial of service (reboot) via a long ICMP echo request (ping) packet.
How severe is CVE-2008-0526?: CVE-2008-0526 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2008-0526 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-0526?: CVE-2008-0526 primarily affects Cisco Skinny Client Control Protocol (sccp) Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-0526?: 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-2008-0526 published?: CVE-2008-0526 was published on 2008-02-15 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:cisco:skinny_client_control_protocol_\(sccp\)_firmware:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:session_initiation_protocol_\(sip\)_firmware:*:*:*:*:*:*:*:*

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