CVE-2018-4841 Auth bypass in TIM 1531 IRC
Remote attackers can bypass authentication to perform administrative operations, read/modify data, or cause denial-of-service on Siemens TIM 1531 IRC devices.
- 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-2018-4841?
CVE-2018-4841 is a critical authentication bypass vulnerability in Siemens AG TIM 1531 IRC, published on 29 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability has been identified in TIM 1531 IRC (All versions < V1.1). A remote attacker with network access to port 80/tcp or port 443/tcp could perform administrative operations on the device without prior authentication. Successful exploitation could allow to cause a denial-of-service, or read and manipulate data as well as configuration settings of the affected device. At the stage of publishing this security advisory no public exploitation is known. Siemens provides mitigations to resolve it.
Which versions are affected by CVE-2018-4841?
It affects 1 product.
Products include Siemens Tim 1531 Irc Firmware.
How do I fix CVE-2018-4841?
No fix has been published for CVE-2018-4841 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2018-4841 being exploited?
There is no known exploitation of CVE-2018-4841 in the wild and no public exploit code.
Other vulnerabilities in Siemens AG TIM 1531 IRC
Sources
Also known as GHSA-vj79-837c-gmf4.