Denial-of-Service Vulnerability in Flow Processing Daemon (flowd) Affects SRX4600 and SRX5000 Series
CVE-2024-47503

6.5MEDIUM

Key Information:

Vendor

Juniper Networks
Status
Junos Os
Vendor
CVE Published:
11 October 2024

What is CVE-2024-47503?

An Improper Check for Unusual or Exceptional Conditions vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on SRX4600 and SRX5000 Series allows an unauthenticated and logically adjacent attacker to cause a Denial-of-Service (DoS).

If in a multicast scenario a sequence of

specific PIM packets is received, this will cause a flowd crash and restart, which leads to momentary service interruption. This issue affects Junos OS on SRX 4600 and SRX 5000 Series:

  • All versions before 21.4R3-S9,
  • 22.2 versions before 22.2R3-S5,
  • 22.3 versions before 22.3R3-S4,
  • 22.4 versions before 22.4R3-S4,
  • 23.2 versions before 23.2R2-S2,
  • 23.4 versions before 23.4R2, 
  • 24.2 versions before 24.2R1-S1, 24.2R2.

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Affected Version(s)

Junos OS SRX 5000 Series 0 < 21.4R3-S9

Junos OS SRX 5000 Series 22.2 < 22.2R3-S5

Junos OS SRX 5000 Series 22.3 < 22.3R3-S4

References

https://supportportal.juniper.net/JSA88133
vendor-advisory

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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