THREATPORT/VULNERABILITY/CVE-2019-10071
CRITICAL SEVERITY

CVE-2019-10071

Tapestry vulnerability

CVSS
9.8
EPSS
8.8%
EPSS pct
95th
Exploited
No known
The code which checks HMAC in form submissions used String.equals() for comparisons, which results in a timing side channel for the comparison of the HMAC signatures. This could lead to remote code execution if an attacker is able to determine the correct signature for their payload. The comparison should be done with a constant time algorithm instead.
Affected vendor
Apache
Affected product
Tapestry
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2019-09-16

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, high impact to availability.

Its EPSS score of 8.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2019-10071

  • Confirm whether Apache Tapestry is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-10071.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-10071

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-10071 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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