High Severity Vulnerabilities
111.5K CVEs classified as high severity
111.5K CVEs classified as high severity
Peter Sandvik's Simple Web Server 0.5.1 and earlier allows remote attackers to bypass access restrictions for files via an HTTP request with a sequence of multiple / (slash) characters such as http://...
The kadm_ser_in function in (1) the Kerberos v4compatibility administration daemon (kadmind4) in the MIT Kerberos 5 (krb5) krb5-1.2.6 and earlier, (2) kadmind in KTH Kerberos 4 (eBones) before 1.2.1, ...
Avaya Cajun switches P880, P882, P580, and P550R 5.2.14 and earlier contain undocumented accounts (1) manuf and (2) diag with default passwords, which allows remote attackers to gain privileges.
PAM 0.76 treats a disabled password as if it were an empty (null) password, which allows local and remote attackers to gain privileges as disabled users.
Unknown vulnerabilities in Heimdal before 0.5 with unknown impact, possibly in the (1) kadmind and (2) kdc servers, may allow remote or local attackers to gain root or other access, but not via buffer...
Multiple buffer overflows in Heimdal before 0.5, possibly in both the (1) kadmind and (2) kdc servers, may allow remote attackers to gain root access.
Buffer overflow in DSC 3.0 parser from GSview, as used in KGhostView in KDE 1.1 and KDE 3.0.3a, may allow attackers to cause a denial of service or execute arbitrary code via a modified .ps (PostScrip...
Buffer overflow in the embedded HTTP server for Cisco Catalyst switches running CatOS 5.4 through 7.3 allows remote attackers to cause a denial of service (reset) via a long HTTP request.
Buffer overflow in named in BIND 4 versions 4.9.10 and earlier, and 8 versions 8.3.3 and earlier, allows remote attackers to execute arbitrary code via a certain DNS server response containing SIG res...
Cross-Frame scripting vulnerability in the WebBrowser control as used in Internet Explorer 5.5 and 6.0 allows remote attackers to execute arbitrary code, read arbitrary files, or conduct other unautho...
Multiple format string vulnerabilities in heartbeat 0.4.9 and earlier (claimed as buffer overflows in some sources) allow remote attackers to execute arbitrary code via certain packets to UDP port 694...
Buffer overflow in Microsoft PPTP Service on Windows XP and Windows 2000 allows remote attackers to cause a denial of service (hang) and possibly execute arbitrary code via a certain PPTP packet with ...
Prometheus 6.0 and earlier allows remote attackers to execute arbitrary PHP code via a modified PROMETHEUS_LIBRARY_BASE that points to code stored on a remote server, which is then used in (1) index.p...
Unknown vulnerability in routed for HP Tru64 UNIX V4.0F through V5.1A allows local and remote attackers to read arbitrary files.
Balabit Syslog-NG 1.4.x before 1.4.15, and 1.5.x before 1.5.20, when using template filenames or output, does not properly track the size of a buffer when constant characters are encountered during ma...
Bugzilla 2.16.x before 2.16.1 does not properly filter apostrophes from an email address during account creation, which allows remote attackers to execute arbitrary SQL via a SQL injection attack.
bugzilla_email_append.pl in Bugzilla 2.14.x before 2.14.4, and 2.16.x before 2.16.1, allows remote attackers to execute arbitrary code via shell metacharacters in a system call to processmail.
editproducts.cgi in Bugzilla 2.14.x before 2.14.4, and 2.16.x before 2.16.1, when the "usebuggroups" feature is enabled and more than 47 groups are specified, does not properly calculate bit values fo...
Buffer overflow in talkd on NetBSD 1.6 and earlier, and possibly other operating systems, may allow remote attackers to execute arbitrary code via a long inbound message.
Cisco Unity 2.x and 3.x uses well-known default user accounts, which could allow remote attackers to gain access and place arbitrary calls.
Microsoft Windows 98 and Windows NT 4.0 do not properly verify the Basic Constraints of digital certificates, allowing remote attackers to execute code, aka "New Variant of Certificate Validation Flaw...
A typographical error in the script source access permissions for Internet Information Server (IIS) 5.0 does not properly exclude .COM files, which allows attackers with only write permissions to uplo...
Buffer overflow in the S/MIME Parsing capability in Microsoft Outlook Express 5.5 and 6.0 allows remote attackers to execute arbitrary code via a digitally signed email with a long "From" address, whi...
Multiple buffer overflows in Winamp 3.0, when displaying an MP3 in the Media Library window, allows remote attackers to execute arbitrary code via an MP3 file containing a long (1) Artist or (2) Album...