Unrated severityNVD Advisory· Published Dec 31, 2002· Updated Jun 16, 2026

CVE-2002-2239

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Cisco Systems, Inc./Cisco iOS2 versions
cpe:2.3:o:cisco:ios:12.1e:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:cisco:ios:12.1e:*:*:*:*:*:*:*
- (no CPE)range: 12.1(8)E through 12.1(13.4)E
Cisco Systems, Inc./Catalyst 6500llm-create
Range: 12.1(8)E through 12.1(13.4)E

Patches

Vulnerability mechanics

References

www.cisco.com/warp/public/707/osm-lc-ios-pkt-vuln-pub.shtmlnvdPatch
www.securityfocus.com/bid/6358nvd
exchange.xforce.ibmcloud.com/vulnerabilities/10823nvd

News mentions

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