Is CVE-2021-1425 in the CISA KEV catalog?

No. CVE-2021-1425 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-1425?

CVE-2021-1425 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2021-1425?

CVE-2021-1425 has an EPSS score of 0.52% (40th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-1425?

Upgrade asyncos to 13.8.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-1425

MEDIUM

4.3

CVSS v3

NVD

Description

A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Content Security Management Appliance (SMA) could allow an authenticated, remote attacker to access sensitive information on an affected device. The vulnerability exists because confidential information is being 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.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

CWE-201

How to fix

Remediation Available

asyncosNVD

Affected:< 13.8.0Fixed in:13.8.0CVE-2021-1425derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

0.52%probability of exploitation in 30 days

40thpercentile

Moderate risk: more likely to be exploited than 40% of all known CVEs.

References

Vendor Advisory1

sec.cloudapps.cisco.com

Embed a live status badge for CVE-2021-1425

Markdown

[![CVE-2021-1425](https://tridentstack.com/cve/badge/CVE-2021-1425.svg)](https://tridentstack.com/cve/CVE-2021-1425)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-1425"><img src="https://tridentstack.com/cve/badge/CVE-2021-1425.svg" alt="CVE-2021-1425"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-08-11.