CVE-2015-2841

NONECVSS 0.0Elevated
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 6%CVSS: —Exploit: NoneExposed: 0

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

Citrix NetScaler AppFirewall, as used in NetScaler 10.5, allows remote attackers to bypass intended firewall restrictions via a crafted Content-Type header, as demonstrated by the application/octet-stream and text/xml Content-Types.

CVSS v3
—
EG Score
0.0(none)
EPSS
91.9%
KEV
Not listed

Published

April 3, 2015

Last Modified

May 6, 2026

References (6)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 36× 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.

  1. 2026-07-11 08:23 UTCEPSS rescore
  2. 2026-07-09 19:05 UTCEPSS rescore
  3. 2026-07-08 15:10 UTCEPSS rescore
  4. 2026-07-06 16:24 UTCEPSS rescore
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  11. 2026-06-30 23:19 UTCEPSS rescore
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  13. 2026-06-29 14:03 UTCEPSS rescore
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  15. 2026-06-27 03:05 UTCEPSS rescore
  16. 2026-06-25 13:47 UTCEPSS rescore
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  20. 2026-06-23 21:30 UTCEPSS rescore
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  1. 2026-06-19 19:23 UTCEPSS rescore
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  3. 2026-06-18 17:50 UTCEPSS rescore
  4. 2026-06-18 17:49 UTCEPSS rescore
  5. 2026-06-17 17:49 UTCEPSS rescore
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  9. 2026-06-14 23:14 UTCEPSS rescore
  10. 2026-06-13 22:57 UTCEPSS rescore
  11. 2026-06-12 23:09 UTCEPSS rescore
  12. 2026-06-11 13:57 UTCEPSS rescore
  13. 2026-06-10 22:15 UTCEPSS rescore
  14. 2026-06-06 13:45 UTCEPSS rescore
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  18. 2026-06-04 13:10 UTCEPSS rescore
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  20. 2026-06-02 20:10 UTCEPSS rescore
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  22. 2026-06-01 13:49 UTCEPSS rescore
  23. 2026-06-01 13:49 UTCEPSS rescore
  24. 2026-05-31 22:28 UTCEPSS rescore
  25. 2026-05-31 22:28 UTCEPSS rescore
  26. 2026-05-31 22:28 UTCEPSS rescore
  27. 2026-05-31 00:14 UTCEPSS rescore
  28. 2026-05-29 13:41 UTCEPSS rescore
  29. 2026-05-28 13:42 UTCEPSS rescore
  30. 2026-05-28 13:42 UTCEPSS rescore
  31. 2026-05-27 13:38 UTCEPSS rescore
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  35. 2026-05-24 16:43 UTCEPSS rescore
  36. 2026-05-23 15:10 UTCEPSS rescore
  37. 2026-05-23 01:59 UTCEG score recompute
  38. 2026-05-23 01:59 UTCGHSA enrichment
  39. 2026-05-22 21:15 UTCEPSS rescore
  40. 2026-05-22 21:15 UTCEPSS rescore
  41. 2026-05-21 22:40 UTCEPSS rescore
  42. 2026-05-20 22:37 UTCEPSS rescore
  43. 2026-05-20 22:37 UTCEPSS rescore
  44. 2026-05-20 11:21 UTCEPSS rescore
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  46. 2026-05-20 11:21 UTCEPSS rescore
  47. 2026-05-18 21:30 UTCEPSS rescore
  48. 2026-05-18 21:30 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-36369
    First seen Mar 12, 2015

    Citrix Netscaler NS10.5 - WAF Bypass (Via HTTP Header Pollution)

    Open source ↗

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2015-2841?
CVE-2015-2841 is a none vulnerability published on April 3, 2015. Citrix NetScaler AppFirewall, as used in NetScaler 10.5, allows remote attackers to bypass intended firewall restrictions via a crafted Content-Type header, as demonstrated by the application/octet-stream and text/xml Content-Types.
When was CVE-2015-2841 disclosed?
CVE-2015-2841 was first published in the National Vulnerability Database on April 3, 2015, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2015-2841 actively exploited?
CVE-2015-2841 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2015-2841?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-2841, 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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