How severe is CVE-2010-2831?

CVE-2010-2831 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2010-2831 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-2831?

CVE-2010-2831 primarily affects Cisco Ios. In total, 195 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-2831?

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-2010-2831 published?

CVE-2010-2831 was published on 2010-09-23 and last updated on 2026-06-16.

CVE-2010-2831

CVE-2010-2831 is a high-severity vulnerability in Cisco Ios 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: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Ios
Published: 2010-09-23
Last modified: 2026-06-16

Description

Unspecified vulnerability in the NAT for SIP implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1 allows remote attackers to cause a denial of service (device reload) via transit traffic on UDP port 5060, aka Bug ID CSCtf17624.

Frequently asked questions

What is CVE-2010-2831?: Unspecified vulnerability in the NAT for SIP implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1 allows remote attackers to cause a denial of service (device reload) via transit traffic on UDP port 5060, aka Bug ID CSCtf17624.
How severe is CVE-2010-2831?: CVE-2010-2831 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2010-2831 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-2831?: CVE-2010-2831 primarily affects Cisco Ios. In total, 195 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-2831?: 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-2010-2831 published?: CVE-2010-2831 was published on 2010-09-23 and last updated on 2026-06-16.

References

http://www.cisco.com/en/US/products/products_security_advisory09186a0080b4a311.shtml

Affected products (195)

cpe:2.3:o:cisco:ios:12.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1t:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1xi:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1xj:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1xl:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1xm:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1xp:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1xq:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1xr:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1xs:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1xt:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1xu:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1xv:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1xy:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1ya:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1yb:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1yc:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1yd:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1ye:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1yf:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1yh:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.1yi:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2b:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2bw:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2bx:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2by:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2cz:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2dd:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2dx:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2ex:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2ira:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2irb:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2irc:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2ird:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2ire:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2ixa:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2ixb:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2ixc:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2ixd:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2ixe:*:*:*:*:*:*:*

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