Vulnerability in Cisco Asyncos

CVE-2021-1516

A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Content Security Management Appliance (SMA), Cisco Email Security Appliance (ESA), and Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker to access sensitive information on an affected device. The vulnerability exists because confidential information is included in HTTP requests that are exchanged between the user and the device. An attacker could exploit this vulnerability by looking at the raw HTTP requests that are sent to the interface. A successful exploit could allow the attacker to obtain some of the passwords that are configured throughout the interface.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.010 (62.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-1516: held from 0.012 to 0.010.

EPSS over last 30 days · oldest: 0.012 · newest: 0.010 · change: -0.002

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-1516?
CVE-2021-1516 is a medium-severity vulnerability in Cisco Asyncos, classified under CWE-540. CVSS score: 4.3/10. Published 2021-05-06.
How severe is CVE-2021-1516?
Medium severity. CVSS v3 base score is 4.3 out of 10.