CVE-2021-3560

תיאור (מקור, אנגלית)

It was found that polkit could be tricked into bypassing the credential checks for D-Bus requests, elevating the privileges of the requestor to the root user. This flaw could be used by an unprivileged local attacker to, for example, create a new local administrator. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

מדדים

CVSS 3.1

7.8 (HIGH) מקור הציון: NVD CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — סבירות ניצול

22% (אחוזון 100) נכון ל-25/7/2026

CWE

CWE-863, CWE-754

מוצרים מושפעים

polkit_project: polkit; debian: debian linux; canonical: ubuntu linux; redhat: virtualization; redhat: virtualization host; redhat: enterprise linux; redhat: openshift container platform

קישורים

• https://bugzilla.redhat.com/show_bug.cgi?id=1961710 Issue TrackingPatchVendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1961710 Issue TrackingPatchVendor Advisory
• https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-‮… ExploitThird Party Advisory
• https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-‮… ExploitThird Party Advisory
• http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html Third Party AdvisoryVDB Entry
• http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html Third Party AdvisoryVDB Entry
• http://packetstormsecurity.com/files/172836/polkit-Authentication-Bypass.html Third Party AdvisoryVDB Entry
• http://packetstormsecurity.com/files/172846/Facebook-Fizz-Denial-Of-Service.html Third Party AdvisoryVDB Entry
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-202‮… US Government Resource