CVE-2021-3924

Grav vulnerability

CVSS

7.5

EPSS

4.2%

EPSS pct

90th

Exploited

No known

grav is vulnerable to Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected vendor

Getgrav

Affected product

Grav

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness type (CWE)

CWE-22 — Path Traversal

Published

2021-11-05

Risk analysis

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

Its EPSS score of 4.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2021-3924

Confirm whether Getgrav Grav is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2021-3924.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-3924

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-3924 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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