CVEvulnerability

CVE-2020-3200

7.7 HIGH Published 2020-06-03 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-06-03
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.7 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CVSS 3.0 ([email protected])
7.7 HIGH — CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CVSS 2.0 ([email protected])
6.8 MEDIUM — AV:N/AC:L/Au:S/C:N/I:N/A:C
Weaknesses
CWE-371, CWE-436

Description

A vulnerability in the Secure Shell (SSH) server code of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload. The vulnerability is due to an internal state not being represented correctly in the SSH state machine, which leads to an unexpected behavior. An attacker could exploit this vulnerability by creating an SSH connection to an affected device and using a specific traffic pattern that causes an error condition within that connection. A successful exploit could allow an attacker to cause the device to reload, resulting in a denial of service (DoS) condition.

Affected configurations

• cisco ios 12.2\(6\)i1 • cisco ios 12.2\(58\)ex • cisco ios 12.2\(58\)ey • cisco ios 12.2\(58\)ey1 • cisco ios 12.2\(58\)ey2 • cisco ios 12.2\(58\)ez • cisco ios 12.2\(58\)se • cisco ios 12.2\(58\)se1 • cisco ios 12.2\(58\)se2 • cisco ios 12.2\(60\)ez • cisco ios 12.2\(60\)ez1 • cisco ios 12.2\(60\)ez2 • cisco ios 12.2\(60\)ez3 • cisco ios 12.2\(60\)ez4 • cisco ios 12.2\(60\)ez5 • cisco ios 12.2\(60\)ez6 • cisco ios 12.2\(60\)ez7 • cisco ios 12.2\(60\)ez8 • cisco ios 12.2\(60\)ez9 • cisco ios 12.2\(60\)ez10 • cisco ios 12.2\(60\)ez11 • cisco ios 12.2\(60\)ez12 • cisco ios 12.2\(60\)ez13 • cisco ios 12.2\(60\)ez14 • cisco ios 12.4\(22\)md • cisco ios 12.4\(22\)md1 • cisco ios 12.4\(22\)md2 • cisco ios 12.4\(22\)mda • cisco ios 12.4\(22\)mda1 • cisco ios 12.4\(22\)mda2 • cisco ios 12.4\(22\)mda3 • cisco ios 12.4\(22\)mda4 • cisco ios 12.4\(22\)mda5 • cisco ios 12.4\(22\)mda6 • cisco ios 12.4\(22\)t • cisco ios 12.4\(22\)t1 • cisco ios 12.4\(22\)t2 • cisco ios 12.4\(22\)t3 • cisco ios 12.4\(22\)t4 • cisco ios 12.4\(22\)t5 • cisco ios 12.4\(22\)xr1 • cisco ios 12.4\(22\)xr2 • cisco ios 12.4\(22\)xr3 • cisco ios 12.4\(22\)xr4 • cisco ios 12.4\(22\)xr5 • cisco ios 12.4\(22\)xr6 • cisco ios 12.4\(22\)xr7 • cisco ios 12.4\(22\)xr8 • cisco ios 12.4\(22\)xr9 • cisco ios 12.4\(22\)xr10 • cisco ios 12.4\(22\)xr11 • cisco ios 12.4\(22\)xr12 • cisco ios 12.4\(24\)md • cisco ios 12.4\(24\)md1 • cisco ios 12.4\(24\)md2 • cisco ios 12.4\(24\)md3 • cisco ios 12.4\(24\)md4 • cisco ios 12.4\(24\)md5 • cisco ios 12.4\(24\)md6 • cisco ios 12.4\(24\)md7 … and 1138 more

Related

Weakness · not in database (1)

Weakness · CWE (1)

  • CWE-436 Interpretation Conflict weakness

References