BugZero | Cisco BugID CSCsg05725 - Telnet from PE to CE gives error

OPERATIONAL DEFECT DATABASE

...

BugZero | Cisco BugID CSCsg05725 - Telnet from PE to CE gives error

Cisco - Defect ID: CSCsg05725

Telnet from PE to CE gives error

Cisco - Defect ID: CSCsg05725

Telnet from PE to CE gives error

Last updated on December 15th, 2023

BugZero Risk Score
7.8 High

Overall: 7.8

Severity: 8.2

Lifecycle: 9.1

Popularity: 4.6

What is the BugZero Risk Score?

Cisco Integration

Learn more about where this data comes from

Cisco Integration

Learn more

Bug Scrub Advisor

Streamline upgrades with automated vendor bug scrubs

Bug Scrub Advisor

Learn more

BugZero Enterprise

Wish you caught this bug sooner? Get proactive today.

BugZero Enterprise

Learn more

Bug Details

Description

Symptom

Telnet from PE router to CE router/servers from CLI console does not work when using telnet client with 'vrf' option.

Conditions

When router is accessed using any telnet client.

Workaround

Telnet from operation terminal such as windows or unix to CE router/servers.

Further Problem Description

This bug is reproducible 10 out of 10 times and happens due to wrong conversion of argument passed to the telnet client

Change history

2023-12-15 Added: 4.0.1, 4.2.1, 4.3.4, 4.3.0, 5.1.0, 4.3.1, 4.1.1, 4.3.3, 4.1.2, 4.3.91, 4.2.3, 4.0.4, 5.1.11, 5.1.3, 5.2.2, 4.3.2, 4.0.3, 4.0.0, 4.3.31, 4.1.0, 5.0.0, 5.1.2, 5.2.0, 5.1.1, 5.1.12, 4.2.0, 5.2.4, 5.1.4, 5.2.3

Links

Original Vendor Announcement

Relevant Products

Click on a version to see all relevant bugs

Affected versions:No known affected versions

Fixed versions: 4.0.1, 4.2.1, 4.3.4, 4.3.0, 5.1.0, 4.3.1, 4.1.1, 4.3.3, 4.1.2, 4.3.91, 4.2.3, 4.0.4, 5.1.11, 5.1.3, 5.2.2, 4.3.2, 4.0.3, 4.0.0, 4.3.31, 4.1.0, 5.0.0, 5.1.2, 5.2.0, 5.1.1, 5.1.12, 4.2.0, 5.2.4, 5.1.4, 5.2.3

Relevant Products

Click on a version to see all relevant bugs

Affected versions:No known affected versions

Top Cisco Defects

9.7Defect ID: CSCvs55441
Standby Switch May See CPUHOG or Memory Leak in "cpf_msg_rcvq_process"
9.7Defect ID: CSCvg76186
Cisco Smart Install Remote Code Execution and Denial of Service Vulnerability
9.7Defect ID: CSCwk61938
ISE Evaluate OpenSSH CVE-2024-6387 "regreSSHion"
9.7Defect ID: CSCvf73881
Cisco IOS and IOS XE Software Quality of Service Remote Code Execution Vulnerability
9.7Defect ID: CSCvf23136
Cisco Nexus 3000 and 9000 CLI and SNMP Polling Denial of Service Vulnerability

Cisco Integration

Learn more about where this data comes from

Cisco Integration

Learn more

Bug Scrub Advisor

Streamline upgrades with automated vendor bug scrubs

Bug Scrub Advisor

Learn more

BugZero Enterprise

Wish you caught this bug sooner? Get proactive today.

BugZero Enterprise

Learn more

Ready to prevent the next vendor outage?

Get a demo

OPERATIONAL DEFECT DATABASE

Cisco - Defect ID: CSCsg05725

Telnet from PE to CE gives error

Cisco - Defect ID: CSCsg05725

Telnet from PE to CE gives error

Last updated on December 15th, 2023

BugZero Risk Score7.8 High

Bug Details

Symptom

Conditions

Workaround

Further Problem Description

Links

Top Cisco Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
7.8 High