TI-2020-03091 Aliases CVE-2020-3547 GHSA-5hr4-4h3v-pvc5

Information disclosure in Cisco Web Security Appliance

LOW 30CWE-200Published 2020-09-04 · Updated 2024-11-13

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-200.

Summary

A vulnerability in the web-based management interface of Cisco AsyncOS software for Cisco Email Security Appliance (ESA), Cisco Content Security Management Appliance (SMA), and Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker to access sensitive information on an affected device. The vulnerability exists because an insecure method is used to mask certain passwords on the web-based management interface. An attacker could exploit this vulnerability by looking at the raw HTML code that is received from the interface. A successful exploit could allow the attacker to obtain some of the passwords configured throughout the interface.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00875 59th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Cisco	Cisco Web Security Appliance (WSA)	all versions	—	No fix listed	CNA

Cisco Web Security Appliance (WSA) VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPE	Versions	Role	Vendor
cpe:2.3:o:cisco:asyncos::::::::	up to 13.5.1-277	Vulnerable	Cisco
cpe:2.3:h:cisco:email_security_appliance:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:o:cisco:asyncos::::::::	up to 13.6.1-193	Vulnerable	Cisco
cpe:2.3:h:cisco:content_security_management_appliance:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:o:cisco:asyncos::::::::	up to 11.7.2-011	Vulnerable	Cisco
cpe:2.3:h:cisco:web_security_appliance:-:::::::*	not specified by NVD	Running on	Cisco

cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:* Versions up to 13.5.1-277 Vulnerable ·Cisco
cpe:2.3:h:cisco:email_security_appliance:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:* Versions up to 13.6.1-193 Vulnerable ·Cisco
cpe:2.3:h:cisco:content_security_management_appliance:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:* Versions up to 11.7.2-011 Vulnerable ·Cisco
cpe:2.3:h:cisco:web_security_appliance:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-3547
2026-10-03 Alias added: GHSA-5hr4-4h3v-pvc5

References

Advisory 1

20200902 Cisco Email Security Appliance, Cisco Content Security Management Appliance, and Cisco Web Security Appliance Information Disclosure Vulnerability

TI-2026-74174 Arbitrary file write in Cisco Secure Email Gateway via AMP feature KEVCVSS 3.1CRITICAL 9.8
TI-2026-53489 Cisco Secure Email Gateway SQL Injection Vulnerability KEVCVSS 3.1CRITICAL 9.8
TI-2025-14683 Cisco Secure Email Gateway and Cisco Secure Email and Web Manager Remote Command Execution Vulnerability KEVCVSS 3.1CRITICAL 10.0
TI-2021-13698 Cisco Web Security Appliance Proxy Service Denial of Service Vulnerability CVSS 3.1HIGH 8.6
TI-2018-11020 Cisco Email Security Appliance URL Filtering Denial of Service Vulnerability CVSS 3.1HIGH 8.6
TI-2019-01567 Cisco Email Security Appliance Denial of Service Vulnerability CVSS 3.1HIGH 8.6

See all 55 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences