VDB-173242 · CVE-2021-22893 · SA44784

Ivanti Pulse Connect Secure 9.0R3 Gateway improper authentication

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.
9.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Ivanti Pulse Connect Secure 9.0R3. It has been declared as critical. This vulnerability affects unknown code of the component Gateway. Executing a manipulation can lead to improper authentication. This vulnerability is tracked as CVE-2021-22893. The attack can be launched remotely. Moreover, an exploit is present. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as very critical was found in Ivanti Pulse Connect Secure 9.0R3. This vulnerability affects some unknown processing of the component Gateway. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 04/21/2021 as SA44784. The advisory is available at kb.pulsesecure.net. This vulnerability was named CVE-2021-22893. Technical details are unknown but an exploit is available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 12/17/2025).

It is declared as attacked. This issue was added on 11/03/2021 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 05/03/2022:

Apply updates per vendor instructions.

Upgrading to version 9.0RX or 9.1R.11.4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Zero-Day.cz (618). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Ivanti

Name

Pulse Connect Secure

Version

9.0R3

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.8

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 10.0
NVD Vector: 🔍

CNA Base Score: 10.0
CNA Vector: 🔍

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: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Zero-Day.cz: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Pulse Connect Secure 9.0RX/9.1R.11.4

Timelineinfo

01/06/2021 🔍
04/21/2021 +104 days 🔍
04/21/2021 +0 days 🔍
12/17/2025 +1701 days 🔍

Sourcesinfo

Advisory: SA44784
Status: Confirmed

CVE: CVE-2021-22893 (🔍)
GCVE (CVE): GCVE-0-2021-22893
GCVE (VulDB): GCVE-100-173242
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/21/2021 06:55
Updated: 12/17/2025 19:09
Changes: 04/21/2021 06:55 (21), 04/21/2021 06:56 (18), 04/23/2021 16:04 (4), 04/28/2021 08:39 (1), 04/28/2021 08:40 (16), 04/21/2024 10:30 (28), 06/29/2024 07:17 (2), 07/08/2024 19:21 (1), 09/12/2024 11:20 (1), 02/05/2025 08:16 (11), 12/17/2025 19:09 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.