// For flags

CVE-2020-3283

Cisco Firepower 1000 Series SSL/TLS Denial of Service Vulnerability

Severity Score

8.6
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A vulnerability in the Secure Sockets Layer (SSL)/Transport Layer Security (TLS) handler of Cisco Firepower Threat Defense (FTD) Software when running on the Cisco Firepower 1000 Series platform could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition on an affected device. The vulnerability is due to a communication error between internal functions. An attacker could exploit this vulnerability by sending a crafted SSL/TLS message to an affected device. A successful exploit could allow the attacker to cause a buffer underrun, which leads to a crash. The crash causes the affected device to reload.

Una vulnerabilidad en el manejador de Secure Sockets Layer (SSL)/Transport Layer Security (TLS) del Cisco Firepower Threat Defense (FTD) Software cuando se ejecuta en la plataforma Cisco Firepower 1000 Series, podría permitir a un atacante remoto no autenticado desencadenar una denegación de servicio ( DoS) sobre un dispositivo afectado. La vulnerabilidad es debido a un error de comunicación entre funciones internas. Un atacante podría explotar esta vulnerabilidad mediante el envío de un mensaje SSL/TLS diseñado hacia un dispositivo afectado. Una explotación con éxito podría permitir a un atacante causar una subdesbordamiento del búfer, que conlleva a un bloqueo. El bloqueo causa que el dispositivo afectado se sobrecargue.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2019-12-12 CVE Reserved
  • 2020-05-06 CVE Published
  • 2023-03-07 EPSS Updated
  • 2024-09-17 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.4.0 < 6.4.0.9
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.4.0 < 6.4.0.9"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 1010
Search vendor "Cisco" for product "Firepower 1010"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.4.0 < 6.4.0.9
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.4.0 < 6.4.0.9"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 1020
Search vendor "Cisco" for product "Firepower 1020"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.4.0 < 6.4.0.9
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.4.0 < 6.4.0.9"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 1030
Search vendor "Cisco" for product "Firepower 1030"
--
Safe
Cisco
Search vendor "Cisco"
Firepower Threat Defense
Search vendor "Cisco" for product "Firepower Threat Defense"
>= 6.4.0 < 6.4.0.9
Search vendor "Cisco" for product "Firepower Threat Defense" and version " >= 6.4.0 < 6.4.0.9"
-
Affected
in Cisco
Search vendor "Cisco"
Firepower 1040
Search vendor "Cisco" for product "Firepower 1040"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5505 Firmware
Search vendor "Cisco" for product "Asa 5505 Firmware"
9.12\(2.12\)
Search vendor "Cisco" for product "Asa 5505 Firmware" and version "9.12\(2.12\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5505
Search vendor "Cisco" for product "Asa 5505"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5505 Firmware
Search vendor "Cisco" for product "Asa 5505 Firmware"
9.13\(0.33\)
Search vendor "Cisco" for product "Asa 5505 Firmware" and version "9.13\(0.33\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5505
Search vendor "Cisco" for product "Asa 5505"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5510 Firmware
Search vendor "Cisco" for product "Asa 5510 Firmware"
9.12\(2.12\)
Search vendor "Cisco" for product "Asa 5510 Firmware" and version "9.12\(2.12\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5510
Search vendor "Cisco" for product "Asa 5510"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5510 Firmware
Search vendor "Cisco" for product "Asa 5510 Firmware"
9.13\(0.33\)
Search vendor "Cisco" for product "Asa 5510 Firmware" and version "9.13\(0.33\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5510
Search vendor "Cisco" for product "Asa 5510"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5512-x Firmware
Search vendor "Cisco" for product "Asa 5512-x Firmware"
9.12\(2.12\)
Search vendor "Cisco" for product "Asa 5512-x Firmware" and version "9.12\(2.12\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5512-x
Search vendor "Cisco" for product "Asa 5512-x"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5512-x Firmware
Search vendor "Cisco" for product "Asa 5512-x Firmware"
9.13\(0.33\)
Search vendor "Cisco" for product "Asa 5512-x Firmware" and version "9.13\(0.33\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5512-x
Search vendor "Cisco" for product "Asa 5512-x"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5515-x Firmware
Search vendor "Cisco" for product "Asa 5515-x Firmware"
9.12\(2.12\)
Search vendor "Cisco" for product "Asa 5515-x Firmware" and version "9.12\(2.12\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5515-x
Search vendor "Cisco" for product "Asa 5515-x"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5515-x Firmware
Search vendor "Cisco" for product "Asa 5515-x Firmware"
9.13\(0.33\)
Search vendor "Cisco" for product "Asa 5515-x Firmware" and version "9.13\(0.33\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5515-x
Search vendor "Cisco" for product "Asa 5515-x"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5520 Firmware
Search vendor "Cisco" for product "Asa 5520 Firmware"
9.12\(2.12\)
Search vendor "Cisco" for product "Asa 5520 Firmware" and version "9.12\(2.12\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5520
Search vendor "Cisco" for product "Asa 5520"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5520 Firmware
Search vendor "Cisco" for product "Asa 5520 Firmware"
9.13\(0.33\)
Search vendor "Cisco" for product "Asa 5520 Firmware" and version "9.13\(0.33\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5520
Search vendor "Cisco" for product "Asa 5520"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5525-x Firmware
Search vendor "Cisco" for product "Asa 5525-x Firmware"
9.12\(2.12\)
Search vendor "Cisco" for product "Asa 5525-x Firmware" and version "9.12\(2.12\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5525-x
Search vendor "Cisco" for product "Asa 5525-x"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5525-x Firmware
Search vendor "Cisco" for product "Asa 5525-x Firmware"
9.13\(0.33\)
Search vendor "Cisco" for product "Asa 5525-x Firmware" and version "9.13\(0.33\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5525-x
Search vendor "Cisco" for product "Asa 5525-x"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5540 Firmware
Search vendor "Cisco" for product "Asa 5540 Firmware"
9.12\(2.12\)
Search vendor "Cisco" for product "Asa 5540 Firmware" and version "9.12\(2.12\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5540
Search vendor "Cisco" for product "Asa 5540"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5540 Firmware
Search vendor "Cisco" for product "Asa 5540 Firmware"
9.13\(0.33\)
Search vendor "Cisco" for product "Asa 5540 Firmware" and version "9.13\(0.33\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5540
Search vendor "Cisco" for product "Asa 5540"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5545-x Firmware
Search vendor "Cisco" for product "Asa 5545-x Firmware"
9.12\(2.12\)
Search vendor "Cisco" for product "Asa 5545-x Firmware" and version "9.12\(2.12\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5545-x
Search vendor "Cisco" for product "Asa 5545-x"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5545-x Firmware
Search vendor "Cisco" for product "Asa 5545-x Firmware"
9.13\(0.33\)
Search vendor "Cisco" for product "Asa 5545-x Firmware" and version "9.13\(0.33\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5545-x
Search vendor "Cisco" for product "Asa 5545-x"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5550 Firmware
Search vendor "Cisco" for product "Asa 5550 Firmware"
9.12\(2.12\)
Search vendor "Cisco" for product "Asa 5550 Firmware" and version "9.12\(2.12\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5550
Search vendor "Cisco" for product "Asa 5550"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5550 Firmware
Search vendor "Cisco" for product "Asa 5550 Firmware"
9.13\(0.33\)
Search vendor "Cisco" for product "Asa 5550 Firmware" and version "9.13\(0.33\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5550
Search vendor "Cisco" for product "Asa 5550"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5555-x Firmware
Search vendor "Cisco" for product "Asa 5555-x Firmware"
9.12\(2.12\)
Search vendor "Cisco" for product "Asa 5555-x Firmware" and version "9.12\(2.12\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5555-x
Search vendor "Cisco" for product "Asa 5555-x"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5555-x Firmware
Search vendor "Cisco" for product "Asa 5555-x Firmware"
9.13\(0.33\)
Search vendor "Cisco" for product "Asa 5555-x Firmware" and version "9.13\(0.33\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5555-x
Search vendor "Cisco" for product "Asa 5555-x"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5580 Firmware
Search vendor "Cisco" for product "Asa 5580 Firmware"
9.12\(2.12\)
Search vendor "Cisco" for product "Asa 5580 Firmware" and version "9.12\(2.12\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5580
Search vendor "Cisco" for product "Asa 5580"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5580 Firmware
Search vendor "Cisco" for product "Asa 5580 Firmware"
9.13\(0.33\)
Search vendor "Cisco" for product "Asa 5580 Firmware" and version "9.13\(0.33\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5580
Search vendor "Cisco" for product "Asa 5580"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5585-x Firmware
Search vendor "Cisco" for product "Asa 5585-x Firmware"
9.12\(2.12\)
Search vendor "Cisco" for product "Asa 5585-x Firmware" and version "9.12\(2.12\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5585-x
Search vendor "Cisco" for product "Asa 5585-x"
--
Safe
Cisco
Search vendor "Cisco"
Asa 5585-x Firmware
Search vendor "Cisco" for product "Asa 5585-x Firmware"
9.13\(0.33\)
Search vendor "Cisco" for product "Asa 5585-x Firmware" and version "9.13\(0.33\)"
-
Affected
in Cisco
Search vendor "Cisco"
Asa 5585-x
Search vendor "Cisco" for product "Asa 5585-x"
--
Safe