CVE-2020-15955 Other in n/a
A man-in-the-middle attacker can inject commands into STARTTLS sessions, exposing email content and user credentials to the attacker.
- 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-2020-15955?
CVE-2020-15955 is a medium-severity vulnerability in n/a, published on 17 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In s/qmail through 4.0.07, an active MitM can inject arbitrary plaintext commands into a STARTTLS encrypted session between an SMTP client and s/qmail. This allows e-mail messages and user credentials to be sent to the MitM attacker.
Weakness: CWE-77
Which versions are affected by CVE-2020-15955?
It affects 1 product.
Products include Fehcom S\/Qmail.
How do I fix CVE-2020-15955?
No fix has been published for CVE-2020-15955 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-15955 being exploited?
There is no known exploitation of CVE-2020-15955 in the wild and no public exploit code.
Sources
Also known as GHSA-3hf7-p43g-vpv6.