CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

A vulnerability, which was classified as problematic, was found in Juniper Junos up to 15.1 on vSRX (Router Operating System). This affects an unknown code of the component PFE Daemon. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. The summary by CVE is:

The PFE daemon in Juniper vSRX virtual firewalls with Junos OS before 15.1X49-D20 allows remote attackers to cause a denial of service via an unspecified connection request to the "host-OS."

The weakness was disclosed 10/19/2015 (Website). The advisory is shared at kb.juniper.net. This vulnerability is uniquely identified as CVE-2015-7749 since 10/08/2015. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 15.1X49-D20 eliminates this vulnerability.

The entries 78540, 78539 and 78536 are pretty similar.

Productinfo

Type

• Router Operating System

Vendor

• Juniper

Name

• Junos

Version

• 15.0
• 15.1

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

OpenVAS ID: 802738
OpenVAS Name: Junos vSRX DoS Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Junos 15.1X49-D20

Timelineinfo

10/08/2015 🔍
10/19/2015 +11 days 🔍
10/19/2015 +0 days 🔍
10/19/2015 +0 days 🔍
10/20/2015 +1 days 🔍
11/01/2015 +12 days 🔍
06/22/2022 +2425 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: kb.juniper.net
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-7749 (🔍)
SecurityTracker: 1033856
Vulnerability Center: 54058 - Juniper JunOS before 15.1X49-D20 Remote DoS in the PFE Daemon, High

See also: 🔍

Entryinfo

Created: 10/20/2015 10:11
Updated: 06/22/2022 09:42
Changes: 10/20/2015 10:11 (56), 04/29/2019 07:06 (6), 06/22/2022 09:42 (3)
Complete: 🔍

Discussion

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