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CVE-2017-3803

A vulnerability in the Cisco IOS Software forwarding queue of Cisco 2960X and 3750X switches could allow an unauthenticated, adjacent…

Medium4.7EPSS 0.56%
Published
Updated
Reserved
Assigned by
cisco

Description

A vulnerability in the Cisco IOS Software forwarding queue of Cisco 2960X and 3750X switches could allow an unauthenticated, adjacent attacker to cause a memory leak in the software forwarding queue that would eventually lead to a partial denial of service (DoS) condition. More Information: CSCva72252. Known Affected Releases: 15.2(2)E3 15.2(4)E1. Known Fixed Releases: 15.2(2)E6 15.2(4)E3 15.2(5)E1 15.2(5.3.28i)E1 15.2(6.0.49i)E 3.9(1)E.

Scores

CVSS scores of CVE-2017-3803, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0Medium4.7CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
EPSS (exploitation in 30 days)
0.56% · top 54% of all CVEs (4 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.7.

Weakness

Affected products

  • Cisco IOS

    • affected Cisco IOS

References (3)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .