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Vulnerability record · public intelligence
CVE-2020-22907
HIGH

CVE-2020-22907

Published Jul 13, 2021 · Updated Oct 23, 2026

Severity · CVSSHIGH · 7.5
Known exploitationNot listed
EPSS / likelihood1.57%
QFinch risk score10 / 100

Original summary

Normalized public record · Updated Oct 23, 2026

Stack overflow vulnerability in function jsi_evalcode_sub in jsish before 3.0.18, allows remote attackers to cause a Denial of Service via a crafted value to the execute parameter.

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

Stack overflow vulnerability in function jsi_evalcode_sub in jsish before 3.0.18, allows remote attackers to cause a Denial of Service via a crafted value to the execute parameter.

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix status
Consult the referenced vendor advisory for affected versions.Consult source advisory

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

CVENVDEPSS
SSVC priority
MEDIUM
Confidence
10%
Aliases
None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

  1. GitHub advisory ↗

Record history

Published Jul 13, 2021 · Last refreshed Oct 23, 2026