CVE-2021-22133

LOWNVD 2.42.4—
EchelonGraph scoreMEDIUM confidence

This low-severity CVE scores 2.4 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 78% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
2.4
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 2.4Exploit: NoneExposed: 0

A fix is available — apply it.

The Elastic APM agent for Go versions before 1.11.0 can leak sensitive HTTP header information when logging the details during an application panic. Normally, the APM agent will sanitize sensitive HTTP header details before sending the information to the APM server. During an application panic it is possible the headers will not be sanitized before being sent.

CVSS v3
2.4
EG Score
2.4(medium)
EPSS
40.8%
KEV
Not listed

Published

February 10, 2021

Last Modified

November 21, 2024

References (2)

Vendor Advisories for CVE-2021-22133(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatopenshift4/ose-thanos-rhel8:v4.8.0-202106291913.p0.git.c358e96.assembly.stream2021-07-27redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
Go(1)
PackageVulnerable rangeFixed inDependents
go.elastic.co/apm—1.11.0—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 48× 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. 2026-07-16 17:00 UTCEPSS rescore
  2. 2026-07-15 16:55 UTCEPSS rescore
  3. 2026-07-15 16:55 UTCEPSS rescore
  4. 2026-07-15 01:57 UTCEPSS rescore
  5. 2026-07-13 22:27 UTCEPSS rescore
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  7. 2026-07-13 06:10 UTCEPSS rescore
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  11. 2026-07-11 08:25 UTCEPSS rescore
  12. 2026-07-09 19:07 UTCEPSS rescore
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  14. 2026-07-07 13:43 UTCEPSS rescore
  15. 2026-07-06 16:25 UTCEPSS rescore
  16. 2026-07-06 02:21 UTCEPSS rescore
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  18. 2026-07-05 02:28 UTCEPSS rescore
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  20. 2026-07-04 06:29 UTCEPSS rescore
  21. 2026-07-04 06:29 UTCEPSS rescore
  22. 2026-07-02 16:57 UTCEPSS rescore
  23. 2026-07-01 15:03 UTCEPSS rescore
  24. 2026-06-30 23:20 UTCEPSS rescore
  25. 2026-06-30 23:20 UTCEPSS rescore
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  1. 2026-06-29 14:04 UTCEPSS rescore
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  3. 2026-06-28 14:05 UTCEPSS rescore
  4. 2026-06-28 04:54 UTCEPSS rescore
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  6. 2026-06-27 03:06 UTCEPSS rescore
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  8. 2026-06-25 13:48 UTCEPSS rescore
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  10. 2026-06-24 14:03 UTCEPSS rescore
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  12. 2026-06-23 21:31 UTCEPSS rescore
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  14. 2026-06-22 14:24 UTCEPSS rescore
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  16. 2026-06-21 14:54 UTCEPSS rescore
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  18. 2026-06-21 01:58 UTCEPSS rescore
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  20. 2026-06-19 19:24 UTCEPSS rescore
  21. 2026-06-19 19:24 UTCEPSS rescore
  22. 2026-06-18 17:51 UTCEPSS rescore
  23. 2026-06-18 17:51 UTCEPSS rescore
  24. 2026-06-17 17:51 UTCEPSS rescore
  25. 2026-06-16 17:50 UTCEPSS rescore
  26. 2026-06-15 17:46 UTCEPSS rescore
  27. 2026-06-14 23:15 UTCEPSS rescore
  28. 2026-06-13 22:58 UTCEPSS rescore
  29. 2026-06-12 23:10 UTCEPSS rescore
  30. 2026-06-12 23:10 UTCEPSS rescore
  31. 2026-06-11 13:58 UTCEPSS rescore
  32. 2026-06-10 22:16 UTCEPSS rescore
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  34. 2026-06-10 13:20 UTCEPSS rescore
  35. 2026-06-08 14:15 UTCEPSS rescore
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  37. 2026-06-07 15:23 UTCEPSS rescore
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  39. 2026-06-06 13:46 UTCEPSS rescore
  40. 2026-06-06 13:46 UTCEPSS rescore
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  42. 2026-06-05 22:45 UTCEPSS rescore
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  44. 2026-06-05 06:09 UTCEPSS rescore
  45. 2026-06-05 06:09 UTCEPSS rescore
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  47. 2026-06-04 13:10 UTCEPSS rescore
  48. 2026-06-02 20:11 UTCEPSS rescore
  49. 2026-06-02 20:11 UTCEPSS rescore
  50. 2026-06-01 13:50 UTCEPSS rescore
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  52. 2026-05-31 22:29 UTCEPSS rescore
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  54. 2026-05-31 00:15 UTCEPSS rescore
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  56. 2026-05-29 13:42 UTCEPSS rescore
  57. 2026-05-28 13:43 UTCEPSS rescore
  58. 2026-05-28 13:43 UTCEPSS rescore
  59. 2026-05-27 13:39 UTCEPSS rescore
  60. 2026-05-26 21:00 UTCEG score recompute
  61. 2026-05-26 21:00 UTCVendor advisory
  62. 2026-05-26 13:42 UTCEPSS rescore
  63. 2026-05-26 13:42 UTCEPSS rescore
  64. 2026-05-26 07:17 UTCEPSS rescore
  65. 2026-05-26 07:17 UTCEPSS rescore
  66. 2026-05-24 16:49 UTCEPSS rescore
  67. 2026-05-23 14:41 UTCOSV refresh

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2021-22133?
CVE-2021-22133 is a low vulnerability published on February 10, 2021. The Elastic APM agent for Go versions before 1.11.0 can leak sensitive HTTP header information when logging the details during an application panic. Normally, the APM agent will sanitize sensitive HTTP header details before sending the information to the APM server. During an application panic it…
When was CVE-2021-22133 disclosed?
CVE-2021-22133 was first published in the National Vulnerability Database on February 10, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-22133 actively exploited?
CVE-2021-22133 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 40.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-22133?
CVE-2021-22133 has a CVSS v3 base score of 2.4 (NVD).
How do I remediate CVE-2021-22133?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-22133, 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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