CVE-2019-0065
Junos OS: MX Series: Denial of Service vulnerability in MS-PIC component on MS-MIC or MS-MPC
- Published
- Updated
- Reserved
- Assigned by
- juniper
Description
On MX Series, when the SIP ALG is enabled, receipt of a certain malformed SIP packet may crash the MS-PIC component on MS-MIC or MS-MPC. By continuously sending a crafted SIP packet, an attacker can repeatedly bring down MS-PIC on MS-MIC/MS-MPC causing a sustained Denial of Service. This issue affects Juniper Networks Junos OS on MX Series: 16.1 versions prior to 16.1R7-S5; 16.2 versions prior to 16.2R2-S11; 17.1 versions prior to 17.1R3; 17.2 versions prior to 17.2R3-S3; 17.3 versions prior to 17.3R3-S6 ; 17.4 versions prior to 17.4R2-S8, 17.4R3; 18.1 versions prior to 18.1R3-S3; 18.2 versions prior to 18.2R3; 18.3 versions prior to 18.3R2; 18.4 versions prior to 18.4R2.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| juniperCNA (assigner) | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.3% · top 30% of all CVEs (5 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
- DoS
Affected products
- affected 16.1 – < 16.1R7-S5
- affected 16.2 – < 16.2R2-S11
- affected 17.1 – < 17.1R3
- affected 17.2 – < 17.2R3-S3
- affected 17.3 – < 17.3R3-S6
- affected 17.4 – < 17.4R2-S8, 17.4R3
- affected 18.1 – < 18.1R3-S3
- affected 18.2 – < 18.2R3
- affected 18.3 – < 18.3R2
- affected 18.4 – < 18.4R2
What to do
Solution: The following software releases have been updated to resolve these specific issues: 16.1R7-S5, 16.2R2-S11, 17.1R3, 17.2R3-S3, 17.3R3-S6, 17.4R2-S8, 17.4R3, 18.1R3-S3, 18.2R3, 18.3R2, 18.4R2, 19.1R1, and all subsequent releases.
Workaround: Disable the use of the SIP application layer gateway (ALG) configuration if not needed.
Exploitation: Juniper SIRT is not aware of any malicious exploitation of this vulnerability.
References (1)
- https://kb.juniper.net/JSA10964 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-0065)Record last updated .