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CiscoCVE-2020-3368

HistoryJun 18, 2020 - 3:15 a.m.

CVE-2020-3368

2020-06-1803:15:14

CWE-20

cisco

web.nvd.nist.gov

cve-2020-3368

vulnerability

cisco

asyncos software

email security appliance

url reputation filters

remote attacker

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

5.7

Confidence

High

EPSS

0.001

Percentile

47.9%

JSON

A vulnerability in the antispam protection mechanisms of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the URL reputation filters on an affected device. The vulnerability is due to insufficient input validation of URLs. An attacker could exploit this vulnerability by crafting the URL in a particular way. A successful exploit could allow the attacker to bypass the URL reputation filters that are configured for the affected device, which could allow malicious URLs to pass through the device.

Affected configurations

Nvd

Node

ciscoasyncosRange<13.5.0

AND

ciscoemail_security_applianceMatch-

VendorProductVersionCPE
ciscoasyncos*cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:*
ciscoemail_security_appliance-cpe:2.3:h:cisco:email_security_appliance:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cisco	asyncos	*	cpe:2.3:o:cisco:asyncos::::::::
cisco	email_security_appliance	-	cpe:2.3:h:cisco:email_security_appliance:-:::::::*

CNA Affected

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

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-url-bypass-WO4BZ75s

Social References

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

5.7

Confidence

High

EPSS

0.001

Percentile

47.9%

JSON

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