CVE-2010-0586

CVE-2010-0586 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: 3% (83rd percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Cisco Ios
• Published: 2010-03-25
• Last modified: 2026-06-16

Description

Cisco IOS 12.1 through 12.4, when Cisco Unified Communications Manager Express (CME) or Cisco Unified Survivable Remote Site Telephony (SRST) is enabled, allows remote attackers to cause a denial of service (device reload) via a malformed Skinny Client Control Protocol (SCCP) message, aka Bug ID CSCsz49741, the "SCCP Request Handling Denial of Service Vulnerability."

Frequently asked questions

What is CVE-2010-0586?

Cisco IOS 12.1 through 12.4, when Cisco Unified Communications Manager Express (CME) or Cisco Unified Survivable Remote Site Telephony (SRST) is enabled, allows remote attackers to cause a denial of service (device reload) via a malformed Skinny Client Control Protocol (SCCP) message, aka Bug ID CSCsz49741, the "SCCP Request Handling Denial of Service Vulnerability."

How severe is CVE-2010-0586?

CVE-2010-0586 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2010-0586 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-0586?

CVE-2010-0586 primarily affects Cisco Ios. In total, 93 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-0586?

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-2010-0586 published?

CVE-2010-0586 was published on 2010-03-25 and last updated on 2026-06-16.

References

• http://osvdb.org/63177
• http://secunia.com/advisories/39069
• http://tools.cisco.com/security/center/viewAlert.x?alertId=20070
• http://www.cisco.com/en/US/products/products_security_advisory09186a0080b20f33.shtml
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6625

Affected products (93)

• cpe:2.3:o:cisco:ios:12.1yd:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.1ye:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.1yi:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2b:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2bx:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2by:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2mc:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2t:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2tpc:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2xb:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2xg:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2xm:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2xt:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2xu:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2xw:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2ya:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2yb:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2yc:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2yd:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2yh:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2yj:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2yl:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2ym:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2yn:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2yt:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2yu:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2yv:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2yw:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2yy:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2zb:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2zc:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2zd:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2ze:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2zf:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2zh:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2zj:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2zl:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.2zp:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.3:*:*:*:*:*:*:*
• cpe:2.3:o:cisco:ios:12.3b:*:*:*:*:*:*:*

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