VDB-168091 · CVE-2020-28477 · WID-SEC-2022-0808

immer Package denial of service

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

Summaryinfo

A vulnerability was found in immer Package. It has been rated as problematic. Affected by this vulnerability is an unknown functionality. This manipulation causes denial of service. This vulnerability is handled as CVE-2020-28477. The attack can be initiated remotely. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in immer Package (version unknown). It has been declared as problematic. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was released 01/19/2021 as SNYK-JS-IMMER-1019369. It is possible to read the advisory at snyk.io. This vulnerability is known as CVE-2020-28477. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2022-0808). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

Red Hat Enterprise Linux
SUSE Linux
IBM Tivoli Network Manager
Red Hat Virtualization
Tenable Security Nessus

Productinfo

Name

immer Package

CPE 2.3info

CPE 2.2info

CVSSv4info

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: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

11/12/2020 🔍
01/19/2021 +68 days 🔍
01/19/2021 +0 days 🔍
10/23/2025 +1738 days 🔍

Sourcesinfo

Advisory: SNYK-JS-IMMER-1019369
Status: Confirmed

CVE: CVE-2020-28477 (🔍)
GCVE (CVE): GCVE-0-2020-28477
GCVE (VulDB): GCVE-100-168091
CERT Bund: WID-SEC-2022-0808 - Red Hat Virtualization Engine: Mehrere Schwachstellen

Entryinfo

Created: 01/19/2021 14:35
Updated: 10/23/2025 14:35
Changes: 01/19/2021 14:35 (36), 02/15/2021 10:11 (5), 02/15/2021 10:18 (8), 10/23/2025 14:35 (23)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.