CVE-2020-13164

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 3.2%, top 13% 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
Trending — 3 sources updated this week
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 7.5Exploit: NoneExposed: 0

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

In Wireshark 3.2.0 to 3.2.3, 3.0.0 to 3.0.10, and 2.6.0 to 2.6.16, the NFS dissector could crash. This was addressed in epan/dissectors/packet-nfs.c by preventing excessive recursion, such as for a cycle in the directory graph on a filesystem.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity75% × 45%
Exploitation3% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
86.9%
KEV
Not listed

Published

May 19, 2020

Last Modified

November 21, 2024

References (18)

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 14× in last 7d / 41× 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. 2026-07-23 01:49 UTCEG score recompute
  2. 2026-07-22 22:34 UTCEG score recompute
  3. 2026-07-22 14:05 UTCEPSS rescore
  4. 2026-07-21 15:22 UTCEPSS rescore
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  7. 2026-07-19 14:28 UTCEPSS rescore
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  9. 2026-07-19 12:24 UTCOSV refresh
  10. 2026-07-19 02:26 UTCEPSS rescore
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  1. 2026-07-04 06:28 UTCEPSS rescore
  2. 2026-07-01 21:01 UTCOSV refresh
  3. 2026-07-01 15:03 UTCEPSS rescore
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  5. 2026-06-30 23:20 UTCEPSS rescore
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  23. 2026-06-19 19:23 UTCEPSS rescore
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  25. 2026-06-18 17:50 UTCEPSS rescore
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  34. 2026-06-14 02:43 UTCOSV refresh
  35. 2026-06-13 22:58 UTCEPSS rescore
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  37. 2026-06-12 23:09 UTCEPSS rescore
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  44. 2026-06-07 15:23 UTCEPSS rescore
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  46. 2026-06-06 13:45 UTCEPSS rescore
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  49. 2026-06-05 22:45 UTCEPSS rescore
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  51. 2026-06-05 06:08 UTCEPSS rescore
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  54. 2026-06-02 20:11 UTCEPSS rescore
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  56. 2026-06-01 13:50 UTCEPSS rescore
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  63. 2026-05-28 13:43 UTCEPSS rescore
  64. 2026-05-28 13:43 UTCEPSS rescore
  65. 2026-05-27 13:39 UTCEPSS rescore
  66. 2026-05-27 03:29 UTCEG score recompute
  67. 2026-05-27 03:29 UTCGHSA enrichment
  68. 2026-05-26 13:42 UTCEPSS rescore
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  70. 2026-05-26 07:17 UTCEPSS rescore
  71. 2026-05-26 07:17 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2020-13164?
CVE-2020-13164 is a high vulnerability published on May 19, 2020. In Wireshark 3.2.0 to 3.2.3, 3.0.0 to 3.0.10, and 2.6.0 to 2.6.16, the NFS dissector could crash. This was addressed in epan/dissectors/packet-nfs.c by preventing excessive recursion, such as for a cycle in the directory graph on a filesystem.
When was CVE-2020-13164 disclosed?
CVE-2020-13164 was first published in the National Vulnerability Database on May 19, 2020, 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-2020-13164 actively exploited?
CVE-2020-13164 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 86.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-13164?
CVE-2020-13164 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2020-13164?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-13164, 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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