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
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: None knownExposed: 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)
EG Risk
39(Track)
EG Risk 39/100SSVC: Track

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
Severity53% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
10%
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 12× in last 7d / 67× 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 174 total refreshes for this CVE.

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

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 0% probability of exploitation in the next 30 days, which ranks it in the top 90.0% of all scored CVEs.
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

Explore the affected products and dependency analysis for CVE-2020-25900

Explore →

Is Your Infrastructure Affected by CVE-2020-25900?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs