Cyber Resilience

CVE-2021-1516

Medium

Published: 06 May 2021

Published
06 May 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0031 54.7th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-1516 is a medium-severity Inclusion of Sensitive Information in Source Code (CWE-540) vulnerability in Cisco Ironport Web Security Appliance. Its CVSS base score is 4.3 (Medium).

Operationally, ranked in the top 45.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

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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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

cisco
content security management appliance
all versions
cisco
email security appliance
all versions
cisco
web security appliance
all versions
cisco
ironport web security appliance
13.6.2-023, 14.0.0-090, 14.0.0-133, 14.0.0-292, 14.0.0-300

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-540

Detection and removal of spilled information addresses cases where sensitive data was included in source code.

addresses: CWE-540

Screening helps prevent intentional insertion of sensitive information into source code by untrusted developers.

addresses: CWE-540

Prevents inclusion of sensitive information in source code and development artifacts through SDLC-wide OPSEC controls.

References