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CiscoCVE-2020-3562

HistoryOct 21, 2020 - 7:15 p.m.

CVE-2020-3562

2020-10-2119:15:17

CWE-119

cisco

web.nvd.nist.gov

cve-2020-3562

cisco firepower

ftd software

vulnerability

remote attackers

dos

CVSS2

7.1

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

8.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.4

Confidence

High

EPSS

0.002

Percentile

52.7%

JSON

A vulnerability in the SSL/TLS inspection of Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower 2100 Series firewalls could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper input validation for certain fields of specific SSL/TLS messages. An attacker could exploit this vulnerability by sending a malformed SSL/TLS message through an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. No manual intervention is needed to recover the device after it has reloaded.

Affected configurations

Nvd

Node

ciscofirepower_threat_defenseMatch6.3.0

ciscofirepower_threat_defenseMatch6.4.0

ciscofirepower_threat_defenseMatch6.5.0

AND

ciscofirepower_2110Match-

ciscofirepower_2120Match-

ciscofirepower_2130Match-

ciscofirepower_2140Match-

VendorProductVersionCPE
ciscofirepower_threat_defense6.3.0cpe:2.3:a:cisco:firepower_threat_defense:6.3.0:*:*:*:*:*:*:*
ciscofirepower_threat_defense6.4.0cpe:2.3:a:cisco:firepower_threat_defense:6.4.0:*:*:*:*:*:*:*
ciscofirepower_threat_defense6.5.0cpe:2.3:a:cisco:firepower_threat_defense:6.5.0:*:*:*:*:*:*:*
ciscofirepower_2110-cpe:2.3:h:cisco:firepower_2110:-:*:*:*:*:*:*:*
ciscofirepower_2120-cpe:2.3:h:cisco:firepower_2120:-:*:*:*:*:*:*:*
ciscofirepower_2130-cpe:2.3:h:cisco:firepower_2130:-:*:*:*:*:*:*:*
ciscofirepower_2140-cpe:2.3:h:cisco:firepower_2140:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cisco	firepower_threat_defense	6.3.0	cpe:2.3:a:cisco:firepower_threat_defense:6.3.0:::::::*
cisco	firepower_threat_defense	6.4.0	cpe:2.3:a:cisco:firepower_threat_defense:6.4.0:::::::*
cisco	firepower_threat_defense	6.5.0	cpe:2.3:a:cisco:firepower_threat_defense:6.5.0:::::::*
cisco	firepower_2110	-	cpe:2.3:h:cisco:firepower_2110:-:::::::*
cisco	firepower_2120	-	cpe:2.3:h:cisco:firepower_2120:-:::::::*
cisco	firepower_2130	-	cpe:2.3:h:cisco:firepower_2130:-:::::::*
cisco	firepower_2140	-	cpe:2.3:h:cisco:firepower_2140:-:::::::*

CNA Affected

[
  {
    "product": "Cisco Firepower Threat Defense Software",
    "vendor": "Cisco",
    "versions": [
      {
        "status": "affected",
        "version": "n/a"
      }
    ]
  }
]

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-ssl-dcrpt-dos-RYEkX4yy

CVSS2

7.1

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

8.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.4

Confidence

High

EPSS

0.002

Percentile

52.7%

JSON

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