THREATPORT/VULNERABILITY/CVE-2021-23369
MEDIUM SEVERITY

CVE-2021-23369

Handlebars vulnerability

CVSS
5.6
EPSS
7.0%
EPSS pct
94th
Exploited
No known
The package handlebars before 4.7.7 are vulnerable to Remote Code Execution (RCE) when selecting certain compiling options to compile templates coming from an untrusted source.
Affected vendor
Handlebarsjs
Affected product
Handlebars
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Published
2021-04-12

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity, low impact to availability.

Its EPSS score of 7.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2021-23369

  • Confirm whether Handlebarsjs Handlebars is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-23369.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-23369

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-23369 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2021-23369?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2021-23369.

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