CVE-2021-27786 HCL OneTest Server is vulnerable to Cross Origin Resource Sharing: Arbitrary Origin Trusted
Misconfigured CORS allows attackers to access sensitive information and perform privileged actions via cross-origin requests.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-27786?
CVE-2021-27786 is a medium-severity vulnerability in HCL OneTest Server, published on 7 Jun 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official 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.
Which versions are affected by CVE-2021-27786?
It affects 1 product.
Products include Hcltech Onetest Server.
How do I fix CVE-2021-27786?
No fix has been published for CVE-2021-27786 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-27786 being exploited?
There is no known exploitation of CVE-2021-27786 in the wild and no public exploit code.
Sources
Also known as GHSA-4326-c9xj-r26f.