THREATPORT/VULNERABILITY/CVE-2021-40525
CRITICAL SEVERITY

CVE-2021-40525

James vulnerability

CVSS
9.1
EPSS
3.7%
EPSS pct
89th
Exploited
No known
Apache James ManagedSieve implementation alongside with the file storage for sieve scripts is vulnerable to path traversal, allowing reading and writing any file. This vulnerability had been patched in Apache James 3.6.1 and higher. We recommend the upgrade. Distributed and Cassandra based products are also not impacted.
Affected vendor
Apache
Affected product
James
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness type (CWE)
Published
2022-01-04

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, high impact to integrity.

Its EPSS score of 3.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2021-40525

  • Confirm whether Apache James is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-40525.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-40525

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-40525 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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