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 45× in last 7d / 232× 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 471 total refreshes for this CVE.

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

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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