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TI-2024-13211 Aliases CVE-2024-20276GHSA-6287-hmpp-gmqm

A vulnerability in Cisco IOS Software for Cisco Catalyst 6000 Series Switches could allow…

Priority LOW 32CWE-248Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-248.

Summary

A vulnerability in Cisco IOS Software for Cisco Catalyst 6000 Series Switches could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly. This vulnerability is due to improper handling of process-switched traffic. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00291 21st percentileScored 2026-11-08
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoIOS15.5(1)SY5; 15.5(1)SY6; 15.5(1)SY7; 15.5(1)SY8; 15.5(1)SY9; 15.5(1)SY10; 15.5(1)SY11—No fix listedCNA
  • IOS VendorCisco Affected 15.5(1)SY5; 15.5(1)SY6; 15.5(1)SY7; 15.5(1)SY8; 15.5(1)SY9; 15.5(1)SY10; 15.5(1)SY11 Fixed in — No fix listed CNA

CPE configurations NVD · 16

CPEVersionsRoleVendor
cpe:2.3:o:cisco:ios:15.5\(1\)sy5:*:*:*:*:*:*:*15.5(1)sy5VulnerableCisco
cpe:2.3:o:cisco:ios:15.5\(1\)sy6:*:*:*:*:*:*:*15.5(1)sy6VulnerableCisco
cpe:2.3:o:cisco:ios:15.5\(1\)sy7:*:*:*:*:*:*:*15.5(1)sy7VulnerableCisco
cpe:2.3:o:cisco:ios:15.5\(1\)sy8:*:*:*:*:*:*:*15.5(1)sy8VulnerableCisco
cpe:2.3:o:cisco:ios:15.5\(1\)sy9:*:*:*:*:*:*:*15.5(1)sy9VulnerableCisco
cpe:2.3:o:cisco:ios:15.5\(1\)sy10:*:*:*:*:*:*:*15.5(1)sy10VulnerableCisco
cpe:2.3:o:cisco:ios:15.5\(1\)sy11:*:*:*:*:*:*:*15.5(1)sy11VulnerableCisco
cpe:2.3:h:cisco:catalyst_6503-e:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:catalyst_6504-e:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:catalyst_6506-e:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
  • cpe:2.3:o:cisco:ios:15.5\(1\)sy5:*:*:*:*:*:*:* Versions 15.5(1)sy5 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:15.5\(1\)sy6:*:*:*:*:*:*:* Versions 15.5(1)sy6 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:15.5\(1\)sy7:*:*:*:*:*:*:* Versions 15.5(1)sy7 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:15.5\(1\)sy8:*:*:*:*:*:*:* Versions 15.5(1)sy8 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:15.5\(1\)sy9:*:*:*:*:*:*:* Versions 15.5(1)sy9 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:15.5\(1\)sy10:*:*:*:*:*:*:* Versions 15.5(1)sy10 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:15.5\(1\)sy11:*:*:*:*:*:*:* Versions 15.5(1)sy11 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:catalyst_6503-e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:catalyst_6504-e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:catalyst_6506-e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
Show 6 more CPE
CPEVersionsRoleVendor
cpe:2.3:h:cisco:catalyst_6509-e:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:catalyst_6509-v-e:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:catalyst_6513-e:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:catalyst_6807-xl:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:catalyst_c6800-sup6t:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:catalyst_c6800-sup6t-xl:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
  • cpe:2.3:h:cisco:catalyst_6509-e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:catalyst_6509-v-e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:catalyst_6513-e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:catalyst_6807-xl:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:catalyst_c6800-sup6t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:catalyst_c6800-sup6t-xl:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-20276
  2. 2026-10-03 Alias added: GHSA-6287-hmpp-gmqm

References

Advisory 1

  • TI-2018-00138 Improper input validation in Cisco IOS and IOS XE KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-09019 Improper input validation in Cisco IOS and IOS XE KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-02977 Improper input validation in Cisco IOS and IOS XE Software KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-00135 Memory corruption in Cisco IOS, IOS XE, and IOS XR KEVCVSS 3.1HIGH 8.8
  • TI-2017-04499 Memory corruption in Cisco IOS KEVCVSS 3.1HIGH 8.8
  • TI-2017-04498 Memory corruption in Cisco IOS KEVCVSS 3.1HIGH 8.8
See all 617 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences