CVE-2020-9711

MEDIUMPre-NVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2026-06-23. a secondary CVSS source baseline 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: None knownExposed: 0

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

Acrobat Reader versions 2020.009.20074, 2020.001.30002, 2017.011.30171, 2015.006.30523 and earlier are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CVSS v3
5.5
EG Score
5.5(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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
Severity55% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
18%
KEV
Not listed

Published

June 23, 2026

Last Modified

June 26, 2026

References (1)

Vendor Advisories for CVE-2020-9711(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 4× in last 7d / 46× 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 160 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2020-9711?
CVE-2020-9711 is a medium vulnerability published on June 23, 2026. Acrobat Reader versions 2020.009.20074, 2020.001.30002, 2017.011.30171, 2015.006.30523 and earlier are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of…
When was CVE-2020-9711 disclosed?
CVE-2020-9711 was first published in the National Vulnerability Database on June 23, 2026, with the most recent update on June 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-9711 actively exploited?
CVE-2020-9711 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 82.2% of all scored CVEs.
What is the CVSS score of CVE-2020-9711?
CVE-2020-9711 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2020-9711?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-9711, 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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