9.8
CRITICAL
CVE-2020-1647
Juniper Networks SRX Series Double Free Vulnerability
Description

On Juniper Networks SRX Series with ICAP (Internet Content Adaptation Protocol) redirect service enabled, a double free vulnerability can lead to a Denial of Service (DoS) or Remote Code Execution (RCE) due to processing of a specific HTTP message. Continued processing of this specific HTTP message may result in an extended Denial of Service (DoS). The offending HTTP message that causes this issue may originate both from the HTTP server or the client. This issue affects Juniper Networks Junos OS on SRX Series: 18.1 versions prior to 18.1R3-S9; 18.2 versions prior to 18.2R3-S3; 18.3 versions prior to 18.3R2-S4, 18.3R3-S1; 18.4 versions prior to 18.4R2-S5, 18.4R3; 19.1 versions prior to 19.1R2; 19.2 versions prior to 19.2R1-S2, 19.2R2; 19.3 versions prior to 19.3R2. This issue does not affect Juniper Networks Junos OS prior to 18.1R1.

INFO

Published Date :

July 17, 2020, 7:15 p.m.

Last Modified :

July 24, 2020, 8:03 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2020-1647 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Juniper junos
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-1647.

URL Resource
https://kb.juniper.net/JSA11034 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-1647 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-1647 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jul. 24, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://kb.juniper.net/JSA11034 No Types Assigned https://kb.juniper.net/JSA11034 Vendor Advisory
    Added CWE NIST CWE-415
    Added CPE Configuration OR *cpe:2.3:o:juniper:junos:18.1:-:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.1:r1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.1:r2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.1:r2-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.1:r2-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.1:r2-s4:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.1:r3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.1:r3-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.1:r3-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.1:r3-s3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.1:r3-s4:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.1:r3-s6:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.1:r3-s7:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.1:r3-s8:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.2:-:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.2:r1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.2:r1:-:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.2:r1-s3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.2:r1-s4:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.2:r1-s5:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.2:r2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.2:r2-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.2:r2-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.2:r2-s3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.2:r2-s4:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.2:r2-s5:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.2:r2-s6:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.2:r3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.2:r3-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.2:r3-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.3:-:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.3:r1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.3:r1-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.3:r1-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.3:r1-s3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.3:r1-s5:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.3:r1-s6:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.3:r2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.3:r2-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.3:r2-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.3:r2-s3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.3:r3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.4:-:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.4:r1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.4:r1-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.4:r1-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.4:r1-s5:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.4:r1-s6:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.4:r2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.4:r2-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.4:r2-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.4:r2-s3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:18.4:r2-s4:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:19.1:-:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:19.1:r1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:19.1:r1-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:19.1:r1-s2:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:19.1:r1-s3:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:19.1:r1-s4:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:19.2:-:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:19.2:r1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:19.2:r1-s1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:19.3:-:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:19.3:r1:*:*:*:*:*:* *cpe:2.3:o:juniper:junos:19.3:r1-s1:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-1647 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-1647 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.26 }} 0.33%

score

0.85849

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability