What’s Vulnerable › Vulnerabilities

CVE-2002-2239

• Severity: high (CVSS 7.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2002-12-31 · updated 2026-06-16
• Weakness: CWE-20

Description

The Cisco Optical Service Module (OSM) for the Catalyst 6500 and 7600 series running Cisco IOS 12.1(8)E through 12.1(13.4)E allows remote attackers to cause a denial of service (hang) via a malformed packet.

Affected products

• Cisco IOS: 12.1e

References

• http://www.cisco.com/warp/public/707/osm-lc-ios-pkt-vuln-pub.shtml
• http://www.securityfocus.com/bid/6358
• https://exchange.xforce.ibmcloud.com/vulnerabilities/10823
• http://www.cisco.com/warp/public/707/osm-lc-ios-pkt-vuln-pub.shtml
• http://www.securityfocus.com/bid/6358
• https://exchange.xforce.ibmcloud.com/vulnerabilities/10823

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