CVE-2021-27756 Weak cryptography in "BigFix Compliance Server"
Attackers can decrypt recorded traffic if TLS-RSA ciphers are enabled and secure ciphers are not configured in BigFix Compliance Server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-27756?
CVE-2021-27756 is a high-severity vulnerability in "BigFix Compliance Server", published on 4 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
"TLS-RSA cipher suites are not disabled in BigFix Compliance up to v2.0.5. If TLS 2.0 and secure ciphers are not enabled then an attacker can passively record traffic and later decrypt it."
Weakness: CWE-327
Which versions are affected by CVE-2021-27756?
It affects 1 product.
Products include Hcltech Bigfix Compliance.
How do I fix CVE-2021-27756?
No fix has been published for CVE-2021-27756 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-27756 being exploited?
There is no known exploitation of CVE-2021-27756 in the wild and no public exploit code.
Other vulnerabilities in "BigFix Compliance Server"
- CVE-2024-30125 HCL BigFix Compliance is affected by an internal server error
- CVE-2024-42212 HCL BigFix Compliance is affected by an improper or missing SameSite attribute
- CVE-2024-30140 HCL BigFix Compliance is affected by unvalidated redirects and forwards
- CVE-2023-37525 HCL BigFix Compliance is vulnerable to a sensitive information disclosure
- CVE-2024-42213 HCL BigFix Compliance is affected by inclusion of temporary files left in the production environment
Sources
Also known as GHSA-gh5q-rh5p-wvqr.