CVE-2019-1876 Cisco Wide Area Application Services Software HTTPS Proxy Authentication Bypass Vulnerability
Unauthenticated remote attackers can bypass authentication to use the Central Manager as an HTTPS proxy, accessing blocked internet resources.
- 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-2019-1876?
CVE-2019-1876 is a medium-severity authentication bypass vulnerability in Cisco Wide Area Application Services (WAAS), published on 20 Jun 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the HTTPS proxy feature of Cisco Wide Area Application Services (WAAS) Software could allow an unauthenticated, remote attacker to use the Central Manager as an HTTPS proxy. The vulnerability is due to insufficient authentication of proxy connection requests. An attacker could exploit this vulnerability by sending a malicious HTTPS CONNECT message to the Central Manager. A successful exploit could allow the attacker to access public internet resources that would normally be blocked by corporate policies.
Weakness: CWE-306
Which versions are affected by CVE-2019-1876?
It affects 1 product.
Products include Cisco Wide Area Application Services.
How do I fix CVE-2019-1876?
No fix has been published for CVE-2019-1876 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-2019-1876 being exploited?
There is no known exploitation of CVE-2019-1876 in the wild and no public exploit code.
Other vulnerabilities in Cisco Wide Area Application Services (WAAS)
Sources
Also known as GHSA-q2wg-6xqh-962p.