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TI-2000-00486 Aliases CVE-2000-0486GHSA-g5m7-gw4j-cjhj

Buffer overflow in Cisco TACACS+ tac_plus server allows remote attackers to cause a…

Priority LOW 27Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

Buffer overflow in Cisco TACACS+ tac_plus server allows remote attackers to cause a denial of service via a malformed packet with a long length field.

Why it matters now

EPSS 0.02071 81st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*all versionsVulnerableCisco
cpe:2.3:a:cisco:tacacs\+:f4.0.2alpha:*:*:*:*:*:*:*f4.0.2alphaVulnerableCisco
cpe:2.3:a:cisco:tacacs\+:f4.0.3alpha:*:*:*:*:*:*:*f4.0.3alphaVulnerableCisco
  • cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Cisco
  • cpe:2.3:a:cisco:tacacs\+:f4.0.2alpha:*:*:*:*:*:*:* Versions f4.0.2alpha Vulnerable ·Cisco
  • cpe:2.3:a:cisco:tacacs\+:f4.0.3alpha:*:*:*:*:*:*:* Versions f4.0.3alpha Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2000-0486
  2. 2026-10-03 Alias added: GHSA-g5m7-gw4j-cjhj

References

  • 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