CVE-2021-1577 Cisco Application Policy Infrastructure Controller Arbitrary File Read and Write Vulnerability
Unauthenticated attackers can read or write arbitrary files on Cisco APIC devices via an insecure API endpoint.
- 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-2021-1577?
CVE-2021-1577 is a critical missing authorization vulnerability in Cisco Application Policy Infrastructure Controller (APIC), published on 25 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in an API endpoint of Cisco Application Policy Infrastructure Controller (APIC) and Cisco Cloud Application Policy Infrastructure Controller (Cloud APIC) could allow an unauthenticated, remote attacker to read or write arbitrary files on an affected system. This vulnerability is due to improper access control. An attacker could exploit this vulnerability by using a specific API endpoint to upload a file to an affected device. A successful exploit could allow the attacker to read or write arbitrary files on an affected device.
Weakness: CWE-284
Which versions are affected by CVE-2021-1577?
It affects 2 products.
Products include Cisco Application Policy Infrastructure Controller, Cisco Cloud Application Policy Infrastructure Controller.
How do I fix CVE-2021-1577?
No fix has been published for CVE-2021-1577 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-1577 being exploited?
There is no known exploitation of CVE-2021-1577 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-2023-20011 Cross-site request forgery in Cisco Application Policy Infrastructure Controller (APIC)
- CVE-2021-1578 Cisco Application Policy Infrastructure Controller Privilege Escalation Vulnerability
- CVE-2021-1579 Cisco Application Policy Infrastructure Controller App Privilege Escalation Vulnerability
Sources
Also known as GHSA-c569-4cq6-rvg9.