Cisco Email Security Appliance and Cisco Content Security Management Appliance Information Disclosure Vulnerability
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-532.
Summary
A vulnerability in the CLI of Cisco AsyncOS for Cisco Email Security Appliance (ESA) and Cisco AsyncOS for Cisco Content Security Management Appliance (SMA) could allow an authenticated, remote attacker to access sensitive information on an affected device. The vulnerability is due to excessive verbosity in certain log subscriptions. An attacker could exploit this vulnerability by accessing specific log files on an affected device. A successful exploit could allow the attacker to obtain sensitive log data, which may include user credentials. To exploit this vulnerability, the attacker would need to have valid credentials at the operator level or higher on the affected device.
Why it matters now
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 Email Security Appliance (ESA) | all versions | — | No fix listed | CNA |
- Cisco Email Security Appliance (ESA) VendorCisco Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-3447
- 2026-10-03 Alias added: GHSA-pqcf-jf74-qjf4
References
More Cisco Content Security Management Appliance vulnerabilities
- TI-2016-01993 The DES and Triple DES ciphers, as used in the TLS, SSH, and IPSec protocols and other… CVSS 3.1HIGH 7.5
- TI-2014-01669 The End User Safelist/Blocklist (aka SLBL) service in Cisco AsyncOS Software for Email… CVSS 2.0HIGH 8.5
- TI-2015-05308 Cisco AsyncOS before 8.5.7-042, 9.x before 9.1.0-032, 9.1.x before 9.1.1-023, and 9.5.x… CVSS 2.0HIGH 7.8
- TI-2013-04730 The web framework on Cisco Web Security Appliance (WSA), Email Security Appliance (ESA)… CVSS 2.0HIGH 7.8
- TI-2019-01602 Cisco Email Security Appliance and Cisco Content Security Management Appliance Denial of Service Vulnerability CVSS 3.1MEDIUM 5.3
- TI-2020-02726 Cisco ESA, Cisco WSA, and Cisco SMA GUI Denial of Service Vulnerability CVSS 3.1MEDIUM 5.3
Sources
- CVE-2020-3447 · CVE Program
- CVE-2020-3447 · NVD
- FIRST EPSS
- GHSA-pqcf-jf74-qjf4 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences