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CVE-2021-22991

קריטית 9.8 מנוצלת בשטח (KEV)

ניצול פעיל מאומת — קטלוג CISA KEV

שם
F5 BIG-IP Traffic Management Microkernel Buffer Overflow
נוסף לקטלוג
יעד טיפול (פדרלי)
פעולה נדרשת
Apply updates per vendor instructions.

תיאור (מקור, אנגלית)

On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, and 12.1.x before 12.1.5.3, undisclosed requests to a virtual server may be incorrectly handled by the Traffic Management Microkernel (TMM) URI normalization, which may trigger a buffer overflow, resulting in a DoS attack. In certain situations, it may theoretically allow bypass of URL based access control or remote code execution (RCE). Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

מדדים

CVSS 3.1
9.8 (CRITICAL) מקור הציון: NVD CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — סבירות ניצול
61% (אחוזון 100) נכון ל-24/7/2026
CWE
CWE-119

מוצרים מושפעים

f5: big-ip access policy manager; f5: big-ip advanced firewall manager; f5: big-ip advanced web application firewall; f5: big-ip analytics; f5: big-ip application acceleration manager; f5: big-ip application security manager; f5: big-ip ddos hybrid defender; f5: big-ip domain name system; f5: big-ip fraud protection service; f5: big-ip global traffic manager; f5: big-ip link controller; f5: big-ip local traffic manager; f5: big-ip policy enforcement manager; f5: ssl orchestrator

קישורים