CVE-2018-0180

CRITICALNVD 5.99.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 5.9 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 5%CVSS: 5.9Exploit: cisa kev · ssvc activeExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Multiple vulnerabilities in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenticated, remote attacker to trigger a reload of an affected system, resulting in a denial of service (DoS) condition. These vulnerabilities affect Cisco devices that are running Cisco IOS Software Release 15.4(2)T, 15.4(3)M, or 15.4(2)CG and later. Cisco Bug IDs: CSCuy32360, CSCuz60599.

CVSS v3
5.9
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
5%
EPSS %ILE
92%
KEV
⚠ Exploited

Published

March 28, 2018

Last Modified

January 14, 2026

Advisory Details (3)

Auto-updated Jun 13, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0180
generic🔴 Active Exploitation

Cisco IOS Software Login Enhancements Login Block Denial of Service Vulnerabilities

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-slogin
generic
http://www.securityfocus.com/bid/103556

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 61× in last 7d / 260× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 951 total refreshes for this CVE.

  1. 2026-09-19 19:46 UTCGHSA enrichment
  2. 2026-09-19 16:03 UTCEG score recompute
  3. 2026-09-19 16:03 UTCGHSA enrichment
  4. 2026-09-19 15:36 UTCEPSS rescore
  5. 2026-09-19 12:20 UTCGHSA enrichment
  6. 2026-09-19 08:37 UTCGHSA enrichment
  7. 2026-09-19 04:52 UTCGHSA enrichment
  8. 2026-09-19 01:09 UTCGHSA enrichment
  9. 2026-09-18 21:27 UTCEG score recompute
  10. 2026-09-18 21:27 UTCGHSA enrichment
  11. 2026-09-18 19:20 UTCCISA KEV update
  12. 2026-09-18 17:44 UTCGHSA enrichment
  13. 2026-09-18 14:15 UTCCISA KEV update
  14. 2026-09-18 14:01 UTCGHSA enrichment
  15. 2026-09-18 10:18 UTCGHSA enrichment
  16. 2026-09-18 06:35 UTCGHSA enrichment
  17. 2026-09-18 02:52 UTCGHSA enrichment
  18. 2026-09-17 23:09 UTCGHSA enrichment
  19. 2026-09-17 19:26 UTCEG score recompute
  20. 2026-09-17 19:26 UTCGHSA enrichment
  21. 2026-09-17 19:22 UTCEPSS rescore
  22. 2026-09-17 19:22 UTCEPSS rescore
  23. 2026-09-17 15:43 UTCGHSA enrichment
  24. 2026-09-17 12:00 UTCGHSA enrichment
  25. 2026-09-17 08:17 UTCGHSA enrichment
Show 75 more
  1. 2026-09-17 04:34 UTCGHSA enrichment
  2. 2026-09-17 00:51 UTCGHSA enrichment
  3. 2026-09-16 21:08 UTCGHSA enrichment
  4. 2026-09-16 17:25 UTCEG score recompute
  5. 2026-09-16 17:24 UTCGHSA enrichment
  6. 2026-09-16 14:10 UTCCISA KEV update
  7. 2026-09-16 13:40 UTCGHSA enrichment
  8. 2026-09-16 09:54 UTCGHSA enrichment
  9. 2026-09-16 06:11 UTCEG score recompute
  10. 2026-09-16 06:11 UTCGHSA enrichment
  11. 2026-09-16 02:29 UTCGHSA enrichment
  12. 2026-09-15 22:46 UTCGHSA enrichment
  13. 2026-09-15 19:02 UTCGHSA enrichment
  14. 2026-09-15 15:17 UTCGHSA enrichment
  15. 2026-09-15 11:34 UTCGHSA enrichment
  16. 2026-09-15 07:51 UTCGHSA enrichment
  17. 2026-09-15 04:08 UTCEG score recompute
  18. 2026-09-15 04:08 UTCGHSA enrichment
  19. 2026-09-15 03:05 UTCEPSS rescore
  20. 2026-09-15 00:25 UTCGHSA enrichment
  21. 2026-09-14 20:42 UTCGHSA enrichment
  22. 2026-09-14 19:24 UTCCISA KEV update
  23. 2026-09-14 16:59 UTCGHSA enrichment
  24. 2026-09-14 13:16 UTCGHSA enrichment
  25. 2026-09-14 09:33 UTCGHSA enrichment
  26. 2026-09-14 05:50 UTCGHSA enrichment
  27. 2026-09-14 02:08 UTCGHSA enrichment
  28. 2026-09-13 22:25 UTCGHSA enrichment
  29. 2026-09-13 18:43 UTCEG score recompute
  30. 2026-09-13 18:43 UTCGHSA enrichment
  31. 2026-09-13 16:42 UTCEPSS rescore
  32. 2026-09-13 15:00 UTCGHSA enrichment
  33. 2026-09-13 11:17 UTCGHSA enrichment
  34. 2026-09-13 07:34 UTCGHSA enrichment
  35. 2026-09-13 03:52 UTCGHSA enrichment
  36. 2026-09-13 00:09 UTCGHSA enrichment
  37. 2026-09-12 20:26 UTCGHSA enrichment
  38. 2026-09-12 16:43 UTCEG score recompute
  39. 2026-09-12 16:43 UTCGHSA enrichment
  40. 2026-09-12 14:56 UTCEPSS rescore
  41. 2026-09-12 13:00 UTCGHSA enrichment
  42. 2026-09-12 09:17 UTCGHSA enrichment
  43. 2026-09-12 05:34 UTCGHSA enrichment
  44. 2026-09-12 01:51 UTCGHSA enrichment
  45. 2026-09-11 22:08 UTCGHSA enrichment
  46. 2026-09-11 18:49 UTCCISA KEV update
  47. 2026-09-11 18:25 UTCEG score recompute
  48. 2026-09-11 18:25 UTCGHSA enrichment
  49. 2026-09-11 14:42 UTCGHSA enrichment
  50. 2026-09-11 10:59 UTCEG score recompute
  51. 2026-09-11 10:59 UTCGHSA enrichment
  52. 2026-09-11 09:31 UTCEPSS rescore
  53. 2026-09-11 07:16 UTCGHSA enrichment
  54. 2026-09-11 03:33 UTCGHSA enrichment
  55. 2026-09-10 23:50 UTCGHSA enrichment
  56. 2026-09-10 20:07 UTCGHSA enrichment
  57. 2026-09-10 19:28 UTCCISA KEV update
  58. 2026-09-10 16:24 UTCGHSA enrichment
  59. 2026-09-10 12:41 UTCEG score recompute
  60. 2026-09-10 12:41 UTCGHSA enrichment
  61. 2026-09-10 08:58 UTCGHSA enrichment
  62. 2026-09-10 05:13 UTCGHSA enrichment
  63. 2026-09-10 01:30 UTCGHSA enrichment
  64. 2026-09-09 21:47 UTCGHSA enrichment
  65. 2026-09-09 19:08 UTCCISA KEV update
  66. 2026-09-09 18:03 UTCGHSA enrichment
  67. 2026-09-09 14:20 UTCGHSA enrichment
  68. 2026-09-09 10:36 UTCGHSA enrichment
  69. 2026-09-09 06:53 UTCGHSA enrichment
  70. 2026-09-09 03:10 UTCGHSA enrichment
  71. 2026-09-08 23:27 UTCEG score recompute
  72. 2026-09-08 23:26 UTCGHSA enrichment
  73. 2026-09-08 19:42 UTCGHSA enrichment
  74. 2026-09-08 18:54 UTCCISA KEV update
  75. 2026-09-08 15:59 UTCGHSA enrichment

Frequently asked(6)

What is CVE-2018-0180?
CVE-2018-0180 is a critical vulnerability published on March 28, 2018. Multiple vulnerabilities in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenticated, remote attacker to trigger a reload of an affected system, resulting in a denial of service (DoS) condition. These vulnerabilities affect Cisco devices that are running…
When was CVE-2018-0180 disclosed?
CVE-2018-0180 was first published in the National Vulnerability Database on March 28, 2018, with the most recent update on January 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-0180 actively exploited?
Yes. CISA added CVE-2018-0180 to the Known Exploited Vulnerabilities catalog on March 3, 2022, affecting Cisco IOS Software. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2018-0180?
CVE-2018-0180 has a CVSS v3 base score of 5.9 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2018-0180?
CVE-2018-0180 affects Cisco IOS Software. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2018-0180?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-0180, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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