Is It On KEV?

Red Hat Polkit

YES - ON THE CISA KEV LIST
CVE-2021-3560

Red Hat Polkit Incorrect Authorization Vulnerability

CISA catalog due date2023-06-02
overdue since 2023-06-02
EPSS exploit probability (next 30 days)21.8% · 98percentile
From CVE publication to KEV listing450 days (2022-02-16 → 2023-05-12)
Remediation window (KEV listing to due date)21 days
Days on the KEV list1279 days
Date added to KEV2023-05-12
Known ransomware campaign useUnknown
VendorRed Hat
ProductPolkit
Weaknesses (CWE)CWE-863

Red Hat: 9 entries (0.5% of all KEV entries are from this vendor); 2 added in 2026.

BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.

Your BOD 26-04 window (SSVC tier helper)

Your remediation window ends:

Description

Red Hat Polkit contains an incorrect authorization vulnerability through the bypassing of credential checks for D-Bus requests, allowing for privilege escalation.

Required action (CISA)

Apply updates per vendor instructions.

Notes

https://bugzilla.redhat.com/show_bug.cgi?id=1961710; https://nvd.nist.gov/vuln/detail/CVE-2021-3560

References

Other KEV entries for this vendor: Red Hat

Red Hat - Vendors with KEV entries

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