CVE-2021-28113

Access Gateway vulnerability

CVSS

6.7

EPSS

22.3%

EPSS pct

97th

Exploited

No known

A command injection vulnerability in the cookieDomain and relayDomain parameters of Okta Access Gateway before 2020.9.3 allows attackers (with admin access to the Okta Access Gateway UI) to execute OS commands as a privileged system account.

Affected vendor

Okta

Affected product

Access Gateway

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L

Weakness type (CWE)

CWE-78 — OS Command Injection

Published

2021-04-02

Risk analysis

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

Its EPSS score of 22.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2021-28113

Confirm whether Okta Access Gateway is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2021-28113.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-28113

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-28113 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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