Pulse Connect Secure up to 9.1R8.1 Admin Web Interface code injection

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.
6.5$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Pulse Connect Secure up to 9.1R8.1. This vulnerability affects unknown code of the component Admin Web Interface. The manipulation leads to code injection. This vulnerability is listed as CVE-2020-8243. In addition, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Pulse Connect Secure up to 9.1R8.1. It has been rated as critical. This issue affects some unknown functionality of the component Admin Web Interface. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in the Pulse Connect Secure < 9.1R8.2 admin web interface could allow an authenticated attacker to upload custom template to perform an arbitrary code execution.

The weakness was presented 09/30/2020 (Website). It is possible to read the advisory at kb.pulsesecure.net. The identification of this vulnerability is CVE-2020-8243 since 01/28/2020. A simple authentication is required for exploitation. Technical details are unknown but an exploit is available. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 11/03/2021 with a due date of 05/03/2022:

Apply updates per vendor instructions.

Upgrading to version 9.1R8.2 eliminates this vulnerability.

See VDB-162142 and VDB-162144 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 7.2
NVD Vector: 🔍

CNA Base Score: 7.2
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Pulse Connect Secure 9.1R8.2

Timelineinfo

01/28/2020 🔍
09/30/2020 +246 days 🔍
10/01/2020 +1 days 🔍
12/17/2025 +1903 days 🔍

Sourcesinfo

Advisory: kb.pulsesecure.net
Status: Confirmed

CVE: CVE-2020-8243 (🔍)
GCVE (CVE): GCVE-0-2020-8243
GCVE (VulDB): GCVE-100-162143
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 10/01/2020 09:58
Updated: 12/17/2025 19:09
Changes: 10/01/2020 09:58 (39), 10/01/2020 10:03 (3), 11/14/2020 09:34 (5), 11/15/2020 11:11 (14), 04/20/2024 09:11 (28), 07/08/2024 19:21 (1), 09/09/2024 22:29 (1), 02/05/2025 05:15 (14), 12/17/2025 19:09 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!