CVE-2020-5757

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 6.9%, top 7% 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
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 7%CVSS: 9.8Exploit: NoneExposed: 0

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

Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via HTTP. An authenticated remote attacker can bypass command injection mitigations and execute commands as the root user by sending a crafted HTTP POST to the UCM's "New" HTTPS API.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
51(Track)
EG Risk 51/100SSVC: 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
Severity98% × 45%
Exploitation7% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
93.4%
KEV
Not listed

Published

July 17, 2020

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated Jun 20, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

SQL Injection in SRS Simple Hits Counter Plugin for WordPress - Research Advisory | Tenable®

https://www.tenable.com/security/research/tra-2020-42
generic

CVE-2020-5757<!-- --> | Tenable®

https://www.tenable.com/cve/CVE-2020-5757

Weakness Classification(1)

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

Data Freshness Timeline

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2020-5757?
CVE-2020-5757 is a critical vulnerability published on July 17, 2020. Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via HTTP. An authenticated remote attacker can bypass command injection mitigations and execute commands as the root user by sending a crafted HTTP POST to the UCM's "New" HTTPS API.
When was CVE-2020-5757 disclosed?
CVE-2020-5757 was first published in the National Vulnerability Database on July 17, 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-2020-5757 actively exploited?
CVE-2020-5757 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 93.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-5757?
CVE-2020-5757 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2020-5757?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-5757, 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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