Vulnerability Details : CVE-2020-1651
On Juniper Networks MX series, receipt of a stream of specific Layer 2 frames may cause a memory leak resulting in the packet forwarding engine (PFE) on the line card to crash and restart, causing traffic interruption. By continuously sending this stream of specific layer 2 frame, an attacker connected to the same broadcast domain can repeatedly crash the PFE, causing a prolonged Denial of Service (DoS). This issue affects Juniper Networks Junos OS on MX Series: 17.2 versions prior to 17.2R3-S4; 17.2X75 versions prior to 17.2X75-D105.19; 17.3 versions prior to 17.3R3-S7; 17.4 versions prior to 17.4R1-S3, 17.4R2; 18.1 versions prior to 18.1R2. This issue does not affect Juniper Networks Junos OS releases prior to 17.2R1.
Vulnerability category: Denial of service
Products affected by CVE-2020-1651
- cpe:2.3:o:juniper:junos:17.2:r1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.2:r2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.3:r2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.4:r1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:18.1:r1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.3:r2-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.2x75:d50:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.2:r1-s7:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.2:-:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.3:r2-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.3:-:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.4:-:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.4:r1-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.4:r1-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:18.1:-:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.3:r3-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.2x75:d70:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.2x75:-:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.2x75:d102:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.2:r2-s6:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.2:r1-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.2:r1-s4:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.3:r3-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.2x75:d92:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.2:r1-s8:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.2:r2-s7:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.2:r3-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.3:r3-s3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.3:r3-s4:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.2:r3-s2:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.3:r1-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.2:r1-s1:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.2:r1-s3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.2:r1-s5:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.3:r2-s3:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.3:r3:-:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.2:r2-s11:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.3:r2-s4:*:*:*:*:*:*
- cpe:2.3:o:juniper:junos:17.2:r3-s3:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-1651
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 23 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-1651
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
3.3
|
LOW | AV:A/AC:L/Au:N/C:N/I:N/A:P |
6.5
|
2.9
|
NIST | |
6.5
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST | |
6.5
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
Juniper Networks, Inc. |
CWE ids for CVE-2020-1651
-
Assigned by: sirt@juniper.net (Secondary)
-
The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-1651
-
https://kb.juniper.net/JSA11038
2020-07 Security Bulletin: Junos OS: MX Series: PFE on the line card may crash due to memory leak. (CVE-2020-1651) - Juniper NetworksVendor Advisory
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