VDB-178701 · CVE-2021-36716 · GCVE-0-2021-36716

Segment is-email Package up to 1.0.0 on Node.js isEmail incorrect regex

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Segment is-email Package up to 1.0.0 on Node.js. It has been classified as critical. The affected element is the function isEmail. Performing a manipulation results in incorrect regex. This vulnerability is identified as CVE-2021-36716. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Segment is-email Package up to 1.0.0 on Node.js (JavaScript Library). It has been classified as problematic. This affects the function isEmail. The manipulation with an unknown input leads to a incorrect regex vulnerability. CWE is classifying the issue as CWE-185. The product specifies a regular expression in a way that causes data to be improperly matched or compared. This is going to have an impact on availability.

The weakness was released 07/15/2021. The advisory is shared at segment.com. This vulnerability is uniquely identified as CVE-2021-36716. Technical details are known, but no exploit is available.

Upgrading to version 1.0.1 eliminates this vulnerability.

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Productinfo

Type

JavaScript Library

Vendor

Segment

Name

is-email Package

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD 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: Incorrect regex
CWE: CWE-185 / CWE-697
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: is-email Package 1.0.1

Timelineinfo

07/12/2021 🔍
07/15/2021 +3 days 🔍
07/15/2021 +0 days 🔍
07/18/2021 +3 days 🔍

Sourcesinfo

Advisory: segment.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-36716 (🔍)
GCVE (CVE): GCVE-0-2021-36716
GCVE (VulDB): GCVE-100-178701

Entryinfo

Created: 07/15/2021 11:17
Updated: 07/18/2021 20:28
Changes: 07/15/2021 11:17 (40), 07/18/2021 20:21 (3), 07/18/2021 20:28 (18)
Complete: 🔍
Cache ID: 216::103