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
EPSS
Percentile
53.4%
An Out-of-Bounds Write vulnerability in the H.323 ALG of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause Denial of Service (DoS). On all MX Series and SRX Series platform, when H.323 ALG is enabled and specific H.323 packets are received simultaneously, a flow processing daemon (flowd) crash will occur. Continued receipt of these specific packets will cause a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS on MX Series and SRX Series All versions prior to 19.4R3-S10; 20.2 versions prior to 20.2R3-S6; 20.3 versions prior to 20.3R3-S6; 20.4 versions prior to 20.4R3-S5; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3-S3; 21.3 versions prior to 21.3R3-S3; 21.4 versions prior to 21.4R3; 22.1 versions prior to 22.1R2-S1, 22.1R3; 22.2 versions prior to 22.2R1-S2, 22.2R2.
Vendor | Product | Version | CPE |
---|---|---|---|
juniper | junos | * | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* |
juniper | junos | 19.4 | cpe:2.3:o:juniper:junos:19.4:-:*:*:*:*:*:* |
juniper | junos | 19.4 | cpe:2.3:o:juniper:junos:19.4:r1:*:*:*:*:*:* |
juniper | junos | 19.4 | cpe:2.3:o:juniper:junos:19.4:r1-s1:*:*:*:*:*:* |
juniper | junos | 19.4 | cpe:2.3:o:juniper:junos:19.4:r1-s2:*:*:*:*:*:* |
juniper | junos | 19.4 | cpe:2.3:o:juniper:junos:19.4:r1-s3:*:*:*:*:*:* |
juniper | junos | 19.4 | cpe:2.3:o:juniper:junos:19.4:r1-s4:*:*:*:*:*:* |
juniper | junos | 19.4 | cpe:2.3:o:juniper:junos:19.4:r2:*:*:*:*:*:* |
juniper | junos | 19.4 | cpe:2.3:o:juniper:junos:19.4:r2-s1:*:*:*:*:*:* |
juniper | junos | 19.4 | cpe:2.3:o:juniper:junos:19.4:r2-s2:*:*:*:*:*:* |
[
{
"vendor": "Juniper Networks",
"product": "Junos OS",
"versions": [
{
"version": "unspecified",
"lessThan": "19.4R3-S10",
"status": "affected",
"versionType": "custom"
},
{
"version": "20.2",
"status": "affected",
"lessThan": "20.2R3-S6",
"versionType": "custom"
},
{
"version": "20.3",
"status": "affected",
"lessThan": "20.3R3-S6",
"versionType": "custom"
},
{
"version": "20.4",
"status": "affected",
"lessThan": "20.4R3-S5",
"versionType": "custom"
},
{
"version": "21.1",
"status": "affected",
"lessThan": "21.1R3-S4",
"versionType": "custom"
},
{
"version": "21.2",
"status": "affected",
"lessThan": "21.2R3-S3",
"versionType": "custom"
},
{
"version": "21.3",
"status": "affected",
"lessThan": "21.3R3-S3",
"versionType": "custom"
},
{
"version": "21.4",
"status": "affected",
"lessThan": "21.4R3",
"versionType": "custom"
},
{
"version": "22.1",
"status": "affected",
"lessThan": "22.1R2-S1, 22.1R3",
"versionType": "custom"
},
{
"version": "22.2",
"status": "affected",
"lessThan": "22.2R1-S2, 22.2R2",
"versionType": "custom"
}
],
"platforms": [
"MX Series, SRX Series"
]
}
]