CVE-2020-3139 Cisco Application Policy Infrastructure Controller Out Of Band Management IP Tables Bypass Vulnerability
Unauthenticated remote attackers can bypass IP table rules on the Cisco APIC out-of-band management interface, allowing unauthorized access to restricted ports.
- 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-2020-3139?
CVE-2020-3139 is a medium-severity vulnerability in Cisco Application Policy Infrastructure Controller (APIC), published on 26 Jan 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the out of band (OOB) management interface IP table rule programming for Cisco Application Policy Infrastructure Controller (APIC) could allow an unauthenticated, remote attacker to bypass configured deny entries for specific IP ports. These IP ports would be permitted to the OOB management interface when, in fact, the packets should be dropped. The vulnerability is due to the configuration of specific IP table entries for which there is a programming logic error that results in the IP port being permitted. An attacker could exploit this vulnerability by sending traffic to the OOB management interface on the targeted device. A successful exploit could allow the attacker to bypass configured IP table rules to drop specific IP port traffic. The attacker has no control over the configuration of the device itself. This vulnerability affects Cisco APIC releases prior to the first fixed software Release 4.2(3j).
Weakness: CWE-20
Which versions are affected by CVE-2020-3139?
It affects 1 product.
Products include Cisco Application Policy Infrastructure Controller.
How do I fix CVE-2020-3139?
No fix has been published for CVE-2020-3139 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-3139 being exploited?
There is no known exploitation of CVE-2020-3139 in the wild and no public exploit code.
Other vulnerabilities in Cisco Application Policy Infrastructure Controller (APIC)
- CVE-2021-1393 Cisco Application Services Engine Unauthorized Access Vulnerabilities
- CVE-2021-1396 Cisco Application Services Engine Unauthorized Access Vulnerabilities
- CVE-2021-1577 Cisco Application Policy Infrastructure Controller Arbitrary File Read and Write Vulnerability
- CVE-2023-20011 Cross-site request forgery in Cisco Application Policy Infrastructure Controller (APIC)
- CVE-2021-1578 Cisco Application Policy Infrastructure Controller Privilege Escalation Vulnerability
Sources
Also known as GHSA-j72w-hrcq-cmrg.