JuniperVULNRICHMENT:CVE-2024-21586CVE-2024-21586 Junos OS: SRX Series: Specific valid traffic leads to a PFE crash
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.7 High
CVSS4
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/SC:N/VI:N/SI:N/VA:H/SA:L/AU:Y/U:Red/R:A/RE:M
6.9 Medium
AI Score
Confidence
High
An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).
If an SRX Series device receives specific valid traffic destined to the device, it will cause the PFE to crash and restart. Continued receipt and processing of this traffic will create a sustained DoS condition.
This issue affects Junos OS on SRX Series:
- 21.4 versions before 21.4R3-S7.9,
- 22.1 versions before 22.1R3-S5.3,
- 22.2 versions before 22.2R3-S4.11,
- 22.3 versions before 22.3R3,
- 22.4 versions before 22.4R3.
Junos OS versions prior to 21.4R1 are not affected by this issue.
CNA Affected
[
{
"defaultStatus": "unaffected",
"platforms": [
"SRX Series"
],
"product": "Junos OS",
"vendor": "Juniper Networks",
"versions": [
{
"lessThan": "21.4R1",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThan": "21.4R3-S7.9",
"status": "affected",
"version": "21.4",
"versionType": "semver"
},
{
"lessThan": "22.1R3-S5.3",
"status": "affected",
"version": "22.1",
"versionType": "semver"
},
{
"lessThan": "22.2R3-S4.11",
"status": "affected",
"version": "22.2",
"versionType": "semver"
},
{
"lessThan": "22.3R3",
"status": "affected",
"version": "22.3",
"versionType": "semver"
},
{
"lessThan": "22.4R3",
"status": "affected",
"version": "22.4",
"versionType": "semver"
}
]
}
]References
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.7 High
CVSS4
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/SC:N/VI:N/SI:N/VA:H/SA:L/AU:Y/U:Red/R:A/RE:M
6.9 Medium
AI Score
Confidence
High