7.5

CVE-2018-0051: juniper networks junos os Improper Input Validation

CVSS: 7.5v3.0HighModified
Published 10-10-2018Last modified 16-09-2024

Vulnerability summary

CVE-2018-0051 is a high (CVSS 7.5) Improper Input Validation vulnerability in juniper networks junos os. EPSS estimates a 1.59% chance of exploitation in the next 30 days, higher than 75.3% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (CVE.org)
EPSS score
1.59%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-10-2018
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

A Denial of Service vulnerability in the SIP application layer gateway (ALG) component of Junos OS based platforms allows an attacker to crash MS-PIC, MS-MIC, MS-MPC, MS-DPC or SRX flow daemon (flowd) process. This issue affects Junos OS devices with NAT or stateful firewall configuration in combination with the SIP ALG enabled. SIP ALG is enabled by default on SRX Series devices except for SRX-HE devices. SRX-HE devices have SIP ALG disabled by default. The status of ALGs in SRX device can be obtained by executing the command: show security alg status Affected releases are Juniper Networks Junos OS: 12.1X46 versions prior to 12.1X46-D77; 12.3X48 versions prior to 12.3X48-D70; 15.1X49 versions prior to 15.1X49-D140; 15.1 versions prior to 15.1R4-S9, 15.1R7-S1; 15.1F6; 16.1 versions prior to 16.1R4-S9, 16.1R6-S1, 16.1R7; 16.2 versions prior to 16.2R2-S7, 16.2R3; 17.1 versions prior to 17.1R2-S7, 17.1R3; 17.2 versions prior to 17.2R1-S6, 17.2R2-S4, 17.2R3; 17.3 versions prior to 17.3R1-S5, 17.3R2-S2, 17.3R3; 17.4 versions prior to 17.4R2. No other Juniper Networks products or platforms are affected by this issue.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.59%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

0.00 pp

From 1.59% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.59%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Juniper1 product
  • junos12.1x46 | 12.1x46:d10 | 12.1x46:d15 | 12.1x46:d20 | 12.1x46:d25 | 12.1x46:d30 | 12.1x46:d35 | 12.1x46:d40 | 12.1x46:d45 | 12.1x46:d50 | 12.1x46:d55 | 12.1x46:d60 | 12.1x46:d65 | 12.3x48 | 12.3x48:d10 | 12.3x48:d15 | 12.3x48:d20 | 12.3x48:d25 | 12.3x48:d30 | 12.3x48:d35 | 12.3x48:d40 | 12.3x48:d45 | 12.3x48:d50 | 12.3x48:d55 | 12.3x48:d60 | 12.3x48:d65 | 15.1x49 | 15.1x49:d10 | 15.1x49:d100 | 15.1x49:d110 | 15.1x49:d120 | 15.1x49:d130 | 15.1x49:d20 | 15.1x49:d30 | 15.1x49:d35 | 15.1x49:d40 | 15.1x49:d45 | 15.1x49:d50 | 15.1x49:d55 | 15.1x49:d60 | 15.1x49:d65 | 15.1x49:d75 | 15.1x49:d80 | 15.1x49:d90 | 15.1 | 15.1:f6 | 15.1:r1 | 15.1:r2 | 15.1:r3 | 15.1:r7-s1 | 16.1 | 16.1:r1 | 16.1:r2 | 16.1:r3 | 16.1:r5 | 16.1:r6-s1 | 16.1:r7 | 16.2 | 16.2:r1 | 16.2:r3 | 17.1 | 17.1:r1 | 17.1:r2 | 17.1:r3 | 17.2 | 17.2:r1 | 17.2:r2-s4 | 17.2:r3 | 17.3 | 17.3:r2-s2 | 17.3:r3 | 17.4 | 17.4:r1
Juniper networks1 product
  • junos os≥ 12.1X46, < 12.1X46-D77 | ≥ 12.3X48, < 12.3X48-D70 | ≥ 15.1X49, < 15.1X49-D140 | 15.1F6 | ≥ 15.1, < 15.1R4-S9, 15.1R7-S1 | ≥ 16.1, < 16.1R4-S9, 16.1R6-S1, 16.1R7 | ≥ 16.2, < 16.2R2-S7, 16.2R3 | ≥ 17.1, < 17.1R2-S7, 17.1R3 | ≥ 17.2, < 17.2R1-S6, 17.2R2-S4, 17.2R3 | ≥ 17.3, < 17.3R1-S5, 17.3R2-S2, 17.3R3 | ≥ 17.4, < 17.4R2

2 vendors · 2 products

References

2 links