CVE-2023-6548

MEDIUMNVD 5.59.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2024-01-17), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 5.5 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
5.5
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • 716 internet-exposed hosts are running an affected version right now
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 3%CVSS: 5.5Exploit: NoneExposed: 716

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

Improper Control of Generation of Code ('Code Injection') in NetScaler ADC and NetScaler Gateway allows an attacker with access to NSIP, CLIP or SNIP with management interface to perform Authenticated (low privileged) remote code execution on Management Interface.

Live · internet exposure

716 internet-exposed hosts are running an affected version of CVE-2023-6548 right now.

across 14 countries (Australia, Lithuania, United Kingdom, Bulgaria, Germany)top: netscaler_gateway
See the live KEV-Exposure radar →Found passively from public internet-scan data — aggregate, host-redacted.

EchelonGraph is the only CVE feed that fuses live vulnerability intelligence with its own live internet-exposure radar — so you see not just that a CVE is exploited, but how much of the internet is exposed to it right now.

CVSS v3
5.5
EG Score
9.0(high)
EPSS
86.8%
KEV
⚠ Exploited

Published

January 17, 2024

Last Modified

October 24, 2025

Advisory Details (2)

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-2023-6548
generic

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https://support.citrix.com/article/CTX584986/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20236548-and-cve20236549

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 62× in last 7d / 233× 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 424 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2023-6548?
CVE-2023-6548 is a medium vulnerability published on January 17, 2024. Improper Control of Generation of Code ('Code Injection') in NetScaler ADC and NetScaler Gateway allows an attacker with access to NSIP, CLIP or SNIP with management interface to perform Authenticated (low privileged) remote code execution on Management Interface.
When was CVE-2023-6548 disclosed?
CVE-2023-6548 was first published in the National Vulnerability Database on January 17, 2024, with the most recent update on October 24, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-6548 actively exploited?
Yes. CISA added CVE-2023-6548 to the Known Exploited Vulnerabilities catalog on January 17, 2024, affecting Citrix NetScaler ADC and NetScaler Gateway. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2023-6548?
CVE-2023-6548 has a CVSS v3 base score of 5.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2023-6548?
CVE-2023-6548 affects Citrix NetScaler ADC and NetScaler Gateway. 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-2023-6548?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-6548, 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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2023-6548

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