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Search: telnet
89 CVE
| Identifier | Severity, sort descending | Product and flaw | EPSS, sorted descending | In KEV since, sort descending |
|---|---|---|---|---|
| CVE-2017-3881 | CRIT 9.8 | cisco ios A vulnerability in the Cisco Cluster Management Protocol (CMP) processing code in Cisco IOS and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a reload of an affected device or remotely execute code with elevated privileges. The | 99.0% | |
| CVE-2015-0014 | HIGH 10.0 | microsoft windows_7 Buffer overflow in the Telnet service in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, and Windows Server 2012 Gold and R2 allows remote attackers to execute arbitrary code via | 96.9% | — |
| CVE-2010-3972 | HIGH 10.0 | microsoft internet_information_services Heap-based buffer overflow in the TELNET_STREAM_CONTEXT::OnSendData function in ftpsvc.dll in Microsoft FTP Service 7.0 and 7.5 for Internet Information Services (IIS) 7.0, and IIS 7.5, allows remote attackers to execute arbitrary code or cause a denial of ser | 94.5% | — |
| CVE-2020-10188 | CRIT 9.8 | arista eos utility.c in telnetd in netkit telnet through 0.17 allows remote attackers to execute arbitrary code via short writes or urgent data, because of a buffer overflow involving the netclear and nextitem functions. | 74.3% | — |
| CVE-2015-7755 | CRIT 9.8 | juniper screenos Juniper ScreenOS 6.2.0r15 through 6.2.0r18, 6.3.0r12 before 6.3.0r12b, 6.3.0r13 before 6.3.0r13b, 6.3.0r14 before 6.3.0r14b, 6.3.0r15 before 6.3.0r15b, 6.3.0r16 before 6.3.0r16b, 6.3.0r17 before 6.3.0r17b, 6.3.0r18 before 6.3.0r18b, 6.3.0r19 before 6.3.0r19b, | 61.4% | |
| CVE-2009-1930 | HIGH 10.0 | microsoft windows_2000 The Telnet service in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 allows remote Telnet servers to execute arbitrary code on a client machine by replaying the NTLM credentials of a client u | 41.4% | — |
| CVE-2000-0834 | HIGH 7.5 | microsoft windows_2000 The Windows 2000 telnet client attempts to perform NTLM authentication by default, which allows remote attackers to capture and replay the NTLM challenge/response via a telnet:// URL that points to the malicious server, aka the "Windows 2000 Telnet Client NTLM | 39.6% | — |
| CVE-2004-0568 | HIGH 10.0 | microsoft windows_2000 HyperTerminal application for Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003 does not properly validate the length of a value that is saved in a session file, which allows remote attackers to execute arbitrary code via a malicious HyperTermi | 35.3% | — |
| CVE-2011-1961 | HIGH 9.3 | microsoft internet_explorer The telnet URI handler in Microsoft Internet Explorer 6 through 9 does not properly launch the handler application, which allows remote attackers to execute arbitrary programs via a crafted web site, aka "Telnet Handler Remote Code Execution Vulnerability." | 34.2% | — |
| CVE-2001-0505 | MED 5.0 | microsoft services Multiple memory leaks in Microsoft Services for Unix 2.0 allow remote attackers to cause a denial of service (memory exhaustion) via a large number of malformed requests to (1) the Telnet service, or (2) the NFS service. | 33.4% | — |
| CVE-2005-1205 | MED 5.0 | microsoft windows_2003_server The Telnet client for Microsoft Windows XP, Windows Server 2003, and Windows Services for UNIX allows remote attackers to read sensitive environment variables via the NEW-ENVIRON option with a SEND ENV_USERVAR command. | 33.0% | — |
| CVE-2000-0581 | MED 5.0 | microsoft windows_2000 Windows 2000 Telnet Server allows remote attackers to cause a denial of service by sending a continuous stream of binary zeros, which causes the server to crash. | 22.0% | — |
| CVE-2007-4041 | MED 6.8 | microsoft internet_explorer Multiple argument injection vulnerabilities in Mozilla Firefox 2.0.0.5 and 3.0alpha allow remote attackers to execute arbitrary commands via a NULL byte (%00) and shell metacharacters in a (1) mailto, (2) nntp, (3) news, (4) snews, or (5) telnet URI, a similar | 19.7% | — |
| CVE-2001-0150 | MED 5.1 | microsoft internet_explorer Internet Explorer 5.5 and earlier executes Telnet sessions using command line arguments that are specified by the web site, which could allow remote attackers to execute arbitrary commands if the IE client is using the Telnet client provided in Services for Un | 17.6% | — |
| CVE-2001-0348 | MED 5.0 | microsoft windows_2000 Microsoft Windows 2000 telnet service allows attackers to cause a denial of service (crash) via a long logon command that contains a backspace. | 17.2% | — |
| CVE-2005-0488 | MED 5.0 | microsoft telnet_client Certain BSD-based Telnet clients, including those used on Solaris and SuSE Linux, allow remote malicious Telnet servers to read sensitive environment variables via the NEW-ENVIRON option with a SEND ENV_USERVAR command. | 17.1% | — |
| CVE-2002-0020 | HIGH 7.5 | microsoft interix Buffer overflow in telnet server in Windows 2000 and Interix 2.2 allows remote attackers to execute arbitrary code via malformed protocol options. | 16.9% | — |
| CVE-2007-5381 | HIGH 9.3 | cisco ios Stack-based buffer overflow in the Line Printer Daemon (LPD) in Cisco IOS before 12.2(18)SXF11, 12.4(16a), and 12.4(2)T6 allow remote attackers to execute arbitrary code by setting a long hostname on the target system, then causing an error message to be print | 14.7% | — |
| CVE-2001-0667 | HIGH 7.3 | microsoft internet_explorer Internet Explorer 6 and earlier, when used with the Telnet client in Services for Unix (SFU) 2.0, allows remote attackers to execute commands by spawning Telnet with a log file option on the command line and writing arbitrary code into an executable file which | 14.7% | — |
| CVE-2005-2841 | HIGH 7.5 | cisco ios Buffer overflow in Firewall Authentication Proxy for FTP and/or Telnet Sessions for Cisco IOS 12.2ZH and 12.2ZL, 12.3 and 12.3T, and 12.4 and 12.4T allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted user authen | 14.1% | — |
| CVE-2001-0347 | HIGH 7.5 | microsoft windows_2000 Information disclosure vulnerability in Microsoft Windows 2000 telnet service allows remote attackers to determine the existence of user accounts such as Guest, or log in to the server without specifying the domain name, via a malformed userid. | 13.8% | — |
| CVE-2007-4430 | MED 5.0 | cisco cbos Unspecified vulnerability in Cisco IOS 12.0 through 12.4 allows context-dependent attackers to cause a denial of service (device restart and BGP routing table rebuild) via certain regular expressions in a "show ip bgp regexp" command. NOTE: unauthenticated re | 13.3% | — |
| CVE-2000-1111 | MED 5.0 | microsoft windows_2000 Telnet Service for Windows 2000 Professional does not properly terminate incomplete connection attempts, which allows remote attackers to cause a denial of service by connecting to the server and not providing any input. | 13.1% | — |
| CVE-2001-0041 | HIGH 7.8 | cisco catos Memory leak in Cisco Catalyst 4000, 5000, and 6000 series switches allows remote attackers to cause a denial of service via a series of failed telnet authentication attempts. | 12.1% | — |
| CVE-2007-4042 | HIGH 7.5 | microsoft internet_explorer Multiple argument injection vulnerabilities in Netscape Navigator 9 allow remote attackers to execute arbitrary commands via a NULL byte (%00) and shell metacharacters in a (1) mailto, (2) nntp, (3) news, (4) snews, or (5) telnet URI, a similar issue to CVE-20 | 10.3% | — |