Telnet
Vendor:
First CVE: Sep 10, 1991 · Active for 34 years
3
Total CVEs
More Total CVEs than 64% of tracked products
1.5
Avg CVEs / Year
Higher CVE frequency than 56% of tracked products
7.5
Avg CVSS
Higher Avg CVSS than 50% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Telnet over time
Volume of CVEsAvg CVSS Base Score
First CVE
Sep 10, 1991
34 years ago
Most Recent CVE
May 2, 2005
7,753 days ago
CVE Severity & Scoring
Telnet3 CVEs
100%
All CVEs352,231 CVEs
45%
40%
11%
High
Attack Vector
Local0 (0.0%)
Network0 (0.0%)
Unknown3 (100.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low0 (0.0%)
High0 (0.0%)
Unknown3 (100.0%)
User Interaction
None0 (0.0%)
Unknown3 (100.0%)
Required0 (0.0%)
Privileges Required
Low0 (0.0%)
High0 (0.0%)
None0 (0.0%)
Unknown3 (100.0%)
Top CVEs
Signals from CVEs in this product scope (3 CVEs).
3 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2005-0468HIGH Heap-based buffer overflow in the env_opt_add function in telnet.c for various BSD-based Telnet clients allows remote attackers to execute arbitrary code via responses that contain | May 2, 2005 | 7.5 | 42 | NO | YES |
CVE-2005-0469HIGH Buffer overflow in the slc_add_reply function in various BSD-based Telnet clients, when handling LINEMODE suboptions, allows remote attackers to execute arbitrary code via a reply | May 2, 2005 | 7.5 | 26 | NO | NO |
CVE-1999-1090HIGH The default configuration of NCSA Telnet package for Macintosh and PC enables FTP, even though it does not include an "ftp=yes" line, which allows remote attackers to read and modi | Sep 10, 1991 | 7.5 | 19 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (3 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
1 CVE
33.3% of CVEs· 90th percentile
Social Chatter
Signals from CVEs in this product scope (3 CVEs).
Media Mentions
Signals from CVEs in this product scope (3 CVEs).
Top CNAs Publishing CVEs For Telnet
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| c | 1 | 7.5 | 27.1% | 0 | 1 |