CVE-2021-32812

MEDIUMNVD 4.64.6—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 4.6 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 49% 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
4.6
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 4.6Exploit: NoneExposed: 0

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

Monkshu is an enterprise application server for mobile apps (iOS and Android), responsive HTML 5 apps, and JSON API services. In version 2.90 and earlier, there is a reflected cross-site scripting vulnerability in frontend HTTP server. The attacker can send in a carefully crafted URL along with a known bug in the server which will cause a 500 error, and the response will then embed the URL provided by the hacker. The impact is moderate as the hacker must also be able to craft an HTTP request which should cause a 500 server error. None such requests are known as this point. The issue is patched in version 2.95. As a workaround, one may use a disk caching plugin.

CVSS v3
4.6
EG Score
4.6(medium)
EPSS
53.8%
KEV
Not listed

Published

August 2, 2021

Last Modified

November 21, 2024

References (6)

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 45× 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. 2026-07-22 14:06 UTCEPSS rescore
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  9. 2026-07-18 15:29 UTCOSV refresh
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  1. 2026-07-06 02:21 UTCEPSS rescore
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  9. 2026-06-30 21:00 UTCOSV refresh
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  37. 2026-06-13 00:46 UTCOSV refresh
  38. 2026-06-12 23:10 UTCEPSS rescore
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  40. 2026-06-11 13:58 UTCEPSS rescore
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  72. 2026-05-26 07:17 UTCEPSS rescore
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Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2021-32812?
CVE-2021-32812 is a medium vulnerability published on August 2, 2021. Monkshu is an enterprise application server for mobile apps (iOS and Android), responsive HTML 5 apps, and JSON API services. In version 2.90 and earlier, there is a reflected cross-site scripting vulnerability in frontend HTTP server. The attacker can send in a carefully crafted URL along with a…
When was CVE-2021-32812 disclosed?
CVE-2021-32812 was first published in the National Vulnerability Database on August 2, 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-2021-32812 actively exploited?
CVE-2021-32812 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 53.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-32812?
CVE-2021-32812 has a CVSS v3 base score of 4.6 (NVD).
How do I remediate CVE-2021-32812?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-32812, 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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