CVE-2020-25900

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2026-06-05. the CNA's CVSS baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:mitre, epss, ghsa
Trending — 3 sources updated this week
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.3Exploit: NoneExposed: 0

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

HelloTalk through 3.4.1 stores full-precision GPS coordinates even when the user had intended to share only a country or city. Furthermore, these coordinates are placed into a database on the client of other users. (The client side was changed in 2019 to encrypt that database.)

CVSS v3
5.3
EG Score
5.3(medium)
EPSS
10.2%
KEV
Not listed

Published

June 5, 2026

Last Modified

June 5, 2026

Advisory Details (1)

Auto-updated Jun 15, 2026
No patch confirmed yet.
generic

HelloTalk Precise GPS Location Disclosure via Unencrypted Local Database (CVE-2020-25900) – Isopach's blog – Isopach's CTF writeups and security research

https://isopach.dev/CVE-2020-25900/

Vendor Advisories for CVE-2020-25900(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 20× in last 7d / 94× 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. 2026-07-06 16:25 UTCEPSS rescore
  2. 2026-07-06 16:25 UTCEPSS rescore
  3. 2026-07-06 02:21 UTCEPSS rescore
  4. 2026-07-06 02:21 UTCEPSS rescore
  5. 2026-07-05 18:53 UTCEG score recompute
  6. 2026-07-05 18:52 UTCGHSA enrichment
  7. 2026-07-05 02:27 UTCEPSS rescore
  8. 2026-07-04 06:29 UTCEPSS rescore
  9. 2026-07-04 06:28 UTCEPSS rescore
  10. 2026-07-04 00:08 UTCEG score recompute
  11. 2026-07-04 00:08 UTCGHSA enrichment
  12. 2026-07-02 22:15 UTCEG score recompute
  13. 2026-07-02 22:15 UTCGHSA enrichment
  14. 2026-07-01 20:19 UTCEG score recompute
  15. 2026-07-01 20:19 UTCGHSA enrichment
  16. 2026-07-01 15:03 UTCEPSS rescore
  17. 2026-06-30 23:20 UTCEPSS rescore
  18. 2026-06-30 23:20 UTCEPSS rescore
  19. 2026-06-30 18:20 UTCEG score recompute
  20. 2026-06-30 18:20 UTCGHSA enrichment
  21. 2026-06-29 14:04 UTCEPSS rescore
  22. 2026-06-29 10:42 UTCEG score recompute
  23. 2026-06-29 10:42 UTCGHSA enrichment
  24. 2026-06-28 14:05 UTCEPSS rescore
  25. 2026-06-28 08:48 UTCEG score recompute
Show 74 more
  1. 2026-06-28 08:48 UTCGHSA enrichment
  2. 2026-06-28 04:54 UTCEPSS rescore
  3. 2026-06-28 04:54 UTCEPSS rescore
  4. 2026-06-27 06:56 UTCEG score recompute
  5. 2026-06-27 06:56 UTCGHSA enrichment
  6. 2026-06-27 03:06 UTCEPSS rescore
  7. 2026-06-26 05:03 UTCEG score recompute
  8. 2026-06-26 05:03 UTCGHSA enrichment
  9. 2026-06-25 13:47 UTCEPSS rescore
  10. 2026-06-25 03:10 UTCEG score recompute
  11. 2026-06-25 03:10 UTCGHSA enrichment
  12. 2026-06-24 14:03 UTCEPSS rescore
  13. 2026-06-24 14:03 UTCEPSS rescore
  14. 2026-06-24 01:16 UTCEG score recompute
  15. 2026-06-24 01:16 UTCGHSA enrichment
  16. 2026-06-23 21:31 UTCEPSS rescore
  17. 2026-06-23 21:31 UTCEPSS rescore
  18. 2026-06-22 23:21 UTCEG score recompute
  19. 2026-06-22 23:21 UTCGHSA enrichment
  20. 2026-06-22 14:23 UTCEPSS rescore
  21. 2026-06-22 14:23 UTCEPSS rescore
  22. 2026-06-21 14:54 UTCEPSS rescore
  23. 2026-06-21 14:54 UTCEPSS rescore
  24. 2026-06-21 05:32 UTCEG score recompute
  25. 2026-06-21 05:32 UTCGHSA enrichment
  26. 2026-06-21 01:57 UTCEPSS rescore
  27. 2026-06-21 01:57 UTCEPSS rescore
  28. 2026-06-19 19:23 UTCEPSS rescore
  29. 2026-06-19 19:09 UTCEG score recompute
  30. 2026-06-19 19:09 UTCGHSA enrichment
  31. 2026-06-18 17:50 UTCEPSS rescore
  32. 2026-06-18 14:13 UTCEG score recompute
  33. 2026-06-18 14:13 UTCGHSA enrichment
  34. 2026-06-17 17:50 UTCEPSS rescore
  35. 2026-06-17 11:29 UTCEG score recompute
  36. 2026-06-17 11:29 UTCGHSA enrichment
  37. 2026-06-16 17:50 UTCEPSS rescore
  38. 2026-06-16 17:50 UTCEPSS rescore
  39. 2026-06-16 09:37 UTCEG score recompute
  40. 2026-06-16 09:37 UTCGHSA enrichment
  41. 2026-06-15 17:46 UTCEPSS rescore
  42. 2026-06-15 07:44 UTCEG score recompute
  43. 2026-06-15 07:44 UTCGHSA enrichment
  44. 2026-06-14 23:15 UTCEPSS rescore
  45. 2026-06-14 05:49 UTCEG score recompute
  46. 2026-06-14 05:49 UTCGHSA enrichment
  47. 2026-06-13 22:58 UTCEPSS rescore
  48. 2026-06-13 22:58 UTCEPSS rescore
  49. 2026-06-13 03:47 UTCEG score recompute
  50. 2026-06-13 03:47 UTCGHSA enrichment
  51. 2026-06-12 23:10 UTCEPSS rescore
  52. 2026-06-12 01:54 UTCEG score recompute
  53. 2026-06-12 01:54 UTCGHSA enrichment
  54. 2026-06-11 13:58 UTCEPSS rescore
  55. 2026-06-11 00:02 UTCEG score recompute
  56. 2026-06-11 00:02 UTCGHSA enrichment
  57. 2026-06-10 22:16 UTCEPSS rescore
  58. 2026-06-10 22:16 UTCEPSS rescore
  59. 2026-06-10 13:20 UTCEPSS rescore
  60. 2026-06-09 22:10 UTCEG score recompute
  61. 2026-06-09 22:10 UTCGHSA enrichment
  62. 2026-06-08 20:18 UTCEG score recompute
  63. 2026-06-08 20:18 UTCGHSA enrichment
  64. 2026-06-08 14:15 UTCEPSS rescore
  65. 2026-06-08 14:15 UTCEPSS rescore
  66. 2026-06-07 18:26 UTCEG score recompute
  67. 2026-06-07 18:26 UTCGHSA enrichment
  68. 2026-06-07 15:23 UTCEPSS rescore
  69. 2026-06-07 15:23 UTCEPSS rescore
  70. 2026-06-06 16:34 UTCEG score recompute
  71. 2026-06-06 16:34 UTCGHSA enrichment
  72. 2026-06-06 13:45 UTCEPSS rescore
  73. 2026-06-06 13:45 UTCEPSS rescore
  74. 2026-06-05 14:42 UTCEG score recompute

Frequently asked(5)

What is CVE-2020-25900?
CVE-2020-25900 is a medium vulnerability published on June 5, 2026. HelloTalk through 3.4.1 stores full-precision GPS coordinates even when the user had intended to share only a country or city. Furthermore, these coordinates are placed into a database on the client of other users. (The client side was changed in 2019 to encrypt that database.)
When was CVE-2020-25900 disclosed?
CVE-2020-25900 was first published in the National Vulnerability Database on June 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-25900 actively exploited?
CVE-2020-25900 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 10.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-25900?
CVE-2020-25900 has a CVSS v4.0 base score of 5.3 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2020-25900?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-25900, 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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