THREATPORT/VULNERABILITY/CVE-2017-15132
HIGH SEVERITY

CVE-2017-15132

Dovecot vulnerability

CVSS
7.5
EPSS
3.1%
EPSS pct
86th
Exploited
No known
A flaw was found in dovecot 2.0 up to 2.2.33 and 2.3.0. An abort of SASL authentication results in a memory leak in dovecot's auth client used by login processes. The leak has impact in high performance configuration where same login processes are reused and can cause the process to crash due to memory exhaustion.
Affected vendor
Dovecot
Affected product
Dovecot
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type (CWE)
  • CWE-400 — Uncontrolled Resource Consumption
  • CWE-772 — Missing Release of Resource after Effective Lifetime
Published
2018-01-25

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 availability.

Its EPSS score of 3.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2017-15132

  • Confirm whether Dovecot Dovecot is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-15132.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-15132

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-15132 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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