THREATPORT/VULNERABILITY/CVE-2020-35590
CRITICAL SEVERITY

CVE-2020-35590

Limit Login Attempts Reloaded vulnerability

CVSS
9.8
EPSS
4.3%
EPSS pct
90th
Exploited
No known
LimitLoginAttempts.php in the limit-login-attempts-reloaded plugin before 2.17.4 for WordPress allows a bypass of (per IP address) rate limits because the X-Forwarded-For header can be forged. When the plugin is configured to accept an arbitrary header for the client source IP address, a malicious user is not limited to perform a brute force attack, because the client IP header accepts any arbitrary string. When randomizing the header input, the login count does not ever reach the maximum allowed retries.
Affected vendor
Limitloginattempts
Affected product
Limit Login Attempts Reloaded
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-307 — Improper Restriction of Excessive Authentication Attempts
Published
2020-12-21

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 4.3% 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-2020-35590

  • Confirm whether Limitloginattempts Limit Login Attempts Reloaded is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-35590.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-35590

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-35590 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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