How severe is CVE-2010-2820?

CVE-2010-2820 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2010-2820 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-2820?

CVE-2010-2820 primarily affects Cisco Firewall Services Module Software. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-2820?

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-2010-2820 published?

CVE-2010-2820 was published on 2010-08-09 and last updated on 2026-06-16.

CVE-2010-2820

CVE-2010-2820 is a high-severity vulnerability in Cisco Firewall Services Module Software 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.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Firewall Services Module Software
Published: 2010-08-09
Last modified: 2026-06-16

Description

Unspecified vulnerability in the SunRPC inspection feature on the Cisco Firewall Services Module (FWSM) with software 3.1 before 3.1(17.2), 3.2 before 3.2(16.1), 4.0 before 4.0(10.1), and 4.1 before 4.1(1.1) for Catalyst 6500 series switches and 7600 series routers allows remote attackers to cause a denial of service (device reload) via crafted SunRPC messages, aka Bug ID CSCte61662.

Frequently asked questions

What is CVE-2010-2820?: Unspecified vulnerability in the SunRPC inspection feature on the Cisco Firewall Services Module (FWSM) with software 3.1 before 3.1(17.2), 3.2 before 3.2(16.1), 4.0 before 4.0(10.1), and 4.1 before 4.1(1.1) for Catalyst 6500 series switches and 7600 series routers allows remote attackers to cause a denial of service (device reload) via crafted SunRPC messages, aka Bug ID CSCte61662.
How severe is CVE-2010-2820?: CVE-2010-2820 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2010-2820 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-2820?: CVE-2010-2820 primarily affects Cisco Firewall Services Module Software. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-2820?: 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-2010-2820 published?: CVE-2010-2820 was published on 2010-08-09 and last updated on 2026-06-16.

References

Affected products (21)

cpe:2.3:o:cisco:firewall_services_module_software:3.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:firewall_services_module_software:3.1\(5\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:firewall_services_module_software:3.1\(6\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:firewall_services_module_software:3.1\(16\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:firewall_services_module_software:3.1\(17\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:firewall_services_module_software:3.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:firewall_services_module_software:3.2\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:firewall_services_module_software:3.2\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:firewall_services_module_software:3.2\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:firewall_services_module_software:3.2\(13\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:firewall_services_module_software:3.2\(14\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:firewall_services_module_software:3.2\(16\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:firewall_services_module_software:4.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:firewall_services_module_software:4.0\(4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:firewall_services_module_software:4.0\(6\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:firewall_services_module_software:4.0\(7\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:firewall_services_module_software:4.0\(8\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:firewall_services_module_software:4.0\(10\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:firewall_services_module_software:4.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:firewall_services_module_software:4.1\(1\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:firewall_services_module:*:*:*:*:*:*:*:*

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