THREATPORT/VULNERABILITY/CVE-2020-25200
MEDIUM SEVERITY

CVE-2020-25200

Pritunl vulnerability

CVSS
5.3
EPSS
7.5%
EPSS pct
94th
Exploited
No known
Pritunl 1.29.2145.25 allows attackers to enumerate valid VPN usernames via a series of /auth/session login attempts. Initially, the server will return error 401. However, if the username is valid, then after 20 login attempts, the server will start responding with error 400. Invalid usernames will receive error 401 indefinitely. Note: This has been disputed by the vendor as not a vulnerability. They argue that this is an intended design
Affected vendor
Pritunl
Affected product
Pritunl
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness type (CWE)
Published
2020-10-01

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 low impact to confidentiality.

Its EPSS score of 7.5% 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-2020-25200

  • Confirm whether Pritunl Pritunl is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-25200.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-25200

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-25200 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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