CVE-2020-9711

MEDIUMPre-NVD 5.55.5—
EchelonGraph scoreHIGH 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
Trending — 3 sources updated this week
5.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.5Exploit: NoneExposed: 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(high)
EPSS
8.3%
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 23× in last 7d / 47× 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 13:50 UTCEG score recompute
  3. 2026-07-06 13:50 UTCGHSA enrichment
  4. 2026-07-06 02:21 UTCEPSS rescore
  5. 2026-07-06 02:21 UTCEPSS rescore
  6. 2026-07-05 12:18 UTCEG score recompute
  7. 2026-07-05 12:18 UTCGHSA enrichment
  8. 2026-07-05 02:28 UTCEPSS rescore
  9. 2026-07-05 02:28 UTCEPSS rescore
  10. 2026-07-04 10:47 UTCEG score recompute
  11. 2026-07-04 10:47 UTCGHSA enrichment
  12. 2026-07-04 06:29 UTCEPSS rescore
  13. 2026-07-04 06:29 UTCEPSS rescore
  14. 2026-07-03 09:01 UTCEG score recompute
  15. 2026-07-03 09:00 UTCGHSA enrichment
  16. 2026-07-02 16:57 UTCEPSS rescore
  17. 2026-07-02 07:29 UTCEG score recompute
  18. 2026-07-02 07:29 UTCGHSA enrichment
  19. 2026-07-01 15:03 UTCEPSS rescore
  20. 2026-07-01 05:57 UTCEG score recompute
  21. 2026-07-01 05:57 UTCGHSA enrichment
  22. 2026-06-30 23:20 UTCEPSS rescore
  23. 2026-06-30 23:20 UTCEPSS rescore
  24. 2026-06-30 04:26 UTCEG score recompute
  25. 2026-06-30 04:26 UTCGHSA enrichment
Show 22 more
  1. 2026-06-29 14:04 UTCEPSS rescore
  2. 2026-06-29 02:56 UTCEG score recompute
  3. 2026-06-29 02:56 UTCGHSA enrichment
  4. 2026-06-28 14:05 UTCEPSS rescore
  5. 2026-06-28 04:54 UTCEPSS rescore
  6. 2026-06-28 04:54 UTCEPSS rescore
  7. 2026-06-28 01:25 UTCEG score recompute
  8. 2026-06-28 01:25 UTCGHSA enrichment
  9. 2026-06-27 03:06 UTCEPSS rescore
  10. 2026-06-27 03:06 UTCEPSS rescore
  11. 2026-06-26 23:54 UTCEG score recompute
  12. 2026-06-26 23:54 UTCGHSA enrichment
  13. 2026-06-25 22:23 UTCEG score recompute
  14. 2026-06-25 22:23 UTCGHSA enrichment
  15. 2026-06-25 13:48 UTCEPSS rescore
  16. 2026-06-25 13:48 UTCEPSS rescore
  17. 2026-06-24 20:52 UTCEG score recompute
  18. 2026-06-24 20:52 UTCGHSA enrichment
  19. 2026-06-24 14:03 UTCEPSS rescore
  20. 2026-06-24 14:03 UTCEPSS rescore
  21. 2026-06-23 19:21 UTCEG score recompute
  22. 2026-06-23 19:21 UTCGHSA enrichment

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 8.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
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.

Dependency Blast Radius

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