THREATPORT/VULNERABILITY/CVE-2021-21389
HIGH SEVERITY

CVE-2021-21389

Buddypress vulnerability

CVSS
8.1
EPSS
13.9%
EPSS pct
96th
Exploited
No known
BuddyPress is an open source WordPress plugin to build a community site. In releases of BuddyPress from 5.0.0 before 7.2.1 it's possible for a non-privileged, regular user to obtain administrator rights by exploiting an issue in the REST API members endpoint. The vulnerability has been fixed in BuddyPress 7.2.1. Existing installations of the plugin should be updated to this version to mitigate the issue.
Affected vendor
Buddypress
Affected product
Buddypress
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness type (CWE)
  • CWE-863 — Incorrect Authorization
Published
2021-03-26

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity.

Its EPSS score of 13.9% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2021-21389

  • Confirm whether Buddypress Buddypress is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-21389.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-21389

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-21389 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2021-21389?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2021-21389.

Start free scan

No credit card. Agentless.

Related vulnerabilities

HIGH
CVE-2004-2771
Linux vulnerability
HIGH
CVE-2014-8138
Enterprise Linux vulnerability
HIGH
CVE-2014-9223
Rompager vulnerability