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CiscoCVE-2019-15971

HistoryNov 26, 2019 - 4:15 a.m.

CVE-2019-15971

2019-11-2604:15:11

CWE-345

CWE-20

cisco

web.nvd.nist.gov

cve-2019-15971

vulnerability

cisco

asyncos

email security

appliance

bypass

content filters

nvd

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

4.7

Confidence

High

EPSS

0.001

Percentile

44.1%

JSON

A vulnerability in the MP3 detection engine of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass configured content filters on the device. The vulnerability is due to improper validation of certain MP3 file types. An attacker could exploit this vulnerability by sending a crafted MP3 file through the targeted device. A successful exploit could allow the attacker to bypass configured content filters that would normally drop the email.

Affected configurations

Nvd

Node

ciscoemail_security_appliance_firmwareRange<13.0

VendorProductVersionCPE
ciscoemail_security_appliance_firmware*cpe:2.3:o:cisco:email_security_appliance_firmware:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cisco	email_security_appliance_firmware	*	cpe:2.3:o:cisco:email_security_appliance_firmware::::::::

CNA Affected

[
  {
    "product": "Cisco Email Security Appliance (ESA)",
    "vendor": "Cisco",
    "versions": [
      {
        "lessThan": "n/a",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191120-esa-mp3-bypass

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

4.7

Confidence

High

EPSS

0.001

Percentile

44.1%

JSON

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