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CVE-2021-27786

MEDIUM
Published 2022-06-07T17:50:17.986852Z
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Expert Analysis

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CVSS Score

V3.1
4.6
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.002
probability
of exploitation in the wild

There is a 0.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.408
Higher than 40.8% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED

Impact Metrics

Confidentiality
LOW
Integrity
LOW
Availability
NONE

Description

Cross-origin resource sharing (CORS) enables browsers to perform cross domain requests in a controlled manner. This request has an Origin header that identifies the domain that is making the initial request and defines the protocol between a browser and server to see if the request is allowed. An attacker can take advantage of this and possibly carry out privileged actions and access sensitive information when the Access-Control-Allow-Credentials is enabled.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

HCL Software

HCL OneTest Server

Affected Versions:

10.0, 10.1, 10.2

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed CRITICAL

GHSA-4326-c9xj-r26f

Advisory Details

Cross-origin resource sharing (CORS) enables browsers to perform cross domain requests in a controlled manner. This request has an Origin header that identifies the domain that is making the initial request and defines the protocol between a browser and server to see if the request is allowed. An attacker can take advantage of this and possibly carry out privileged actions and access sensitive information when the Access-Control-Allow-Credentials is enabled.

CVSS Scoring

CVSS Score

9.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-27786
WEB https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0098603

Advisory provided by GitHub Security Advisory Database. Published: June 10, 2022, Modified: June 17, 2022

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0098603
Published: 2022-06-07T17:50:17.986852Z
Last Modified: 2024-09-16T21:04:10.396Z
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