CVE-2019-13608

CRITICALNVD 7.59.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.5 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
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 30%CVSS: 7.5Exploit: cisa kev · ssvc active · kev ransomware · epss top5pct · public exploitExposed: 0

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

Citrix StoreFront Server before 1903, 7.15 LTSR before CU4 (3.12.4000), and 7.6 LTSR before CU8 (3.0.8000) allows XXE attacks.

CVSS v3
7.5
EG Score
9.0(high)
EG Risk
96(Attend)
EG Risk 96/100SSVC: 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%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
30%
EPSS %ILE
98%
KEV
⚠ Exploited

Published

August 29, 2019

Last Modified

November 6, 2025

Advisory Details (2)

Auto-updated Jun 4, 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-2019-13608
generic

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https://support.citrix.com/article/CTX251988

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 62× in last 7d / 262× 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 937 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Nucleihttp/cves/2019/CVE-2019-13608.yaml
    First seen Jan 1, 2019

    Citrix StoreFront Server - XML External Entity

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2019-13608?
CVE-2019-13608 is a critical vulnerability published on August 29, 2019. Citrix StoreFront Server before 1903, 7.15 LTSR before CU4 (3.12.4000), and 7.6 LTSR before CU8 (3.0.8000) allows XXE attacks.
When was CVE-2019-13608 disclosed?
CVE-2019-13608 was first published in the National Vulnerability Database on August 29, 2019, with the most recent update on November 6, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2019-13608 actively exploited?
Yes. CISA added CVE-2019-13608 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting Citrix StoreFront Server. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2019-13608?
CVE-2019-13608 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2019-13608?
CVE-2019-13608 affects Citrix StoreFront Server. 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-2019-13608?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-13608, 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

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