CVE-2021-37788

MEDIUMNVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

Score 5.4 from GitHub Security Advisory published 2022-05-24. NVD baseline CVSS 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.4
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 2%CVSS: 5.4Exploit: NoneExposed: 0

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

A vulnerability in the web UI of Gurock TestRail v5.3.0.3603 could allow an unauthenticated, remote attacker to affect the integrity of a device via a clickjacking attack. The vulnerability is due to insufficient input validation of iFrame data in HTTP requests that are sent to an affected device. An attacker could exploit this vulnerability by sending crafted HTTP packets with malicious iFrame data. A successful exploit could allow the attacker to perform a clickjacking attack where the user is tricked into clicking a malicious link.

CVSS v3
5.4
EG Score
5.4(medium)
EPSS
71.9%
KEV
Not listed

Published

August 9, 2021

Last Modified

November 21, 2024

References (2)

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 40× 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. 2026-07-21 15:22 UTCEPSS rescore
  2. 2026-07-21 15:22 UTCEPSS rescore
  3. 2026-07-20 17:05 UTCEPSS rescore
  4. 2026-07-19 14:29 UTCEPSS rescore
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  11. 2026-07-15 16:55 UTCEPSS rescore
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  19. 2026-07-09 19:07 UTCEPSS rescore
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  1. 2026-07-04 06:29 UTCEPSS rescore
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  3. 2026-07-01 15:04 UTCEPSS rescore
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  6. 2026-06-28 14:05 UTCEPSS rescore
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  21. 2026-06-18 17:51 UTCEPSS rescore
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  39. 2026-06-06 13:46 UTCEPSS rescore
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  43. 2026-06-05 06:09 UTCEPSS rescore
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  45. 2026-06-04 13:10 UTCEPSS rescore
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  47. 2026-06-02 20:11 UTCEPSS rescore
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  49. 2026-06-01 13:50 UTCEPSS rescore
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  51. 2026-05-31 22:29 UTCEPSS rescore
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  55. 2026-05-29 13:42 UTCEPSS rescore
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  63. 2026-05-26 12:26 UTCEG score recompute
  64. 2026-05-26 12:26 UTCGHSA enrichment
  65. 2026-05-26 07:17 UTCEPSS rescore
  66. 2026-05-26 07:17 UTCEPSS rescore
  67. 2026-05-26 07:17 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2021-37788?
CVE-2021-37788 is a medium vulnerability published on August 9, 2021. A vulnerability in the web UI of Gurock TestRail v5.3.0.3603 could allow an unauthenticated, remote attacker to affect the integrity of a device via a clickjacking attack. The vulnerability is due to insufficient input validation of iFrame data in HTTP requests that are sent to an affected device.…
When was CVE-2021-37788 disclosed?
CVE-2021-37788 was first published in the National Vulnerability Database on August 9, 2021, 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-2021-37788 actively exploited?
CVE-2021-37788 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 71.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-37788?
CVE-2021-37788 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2021-37788?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-37788, 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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