CVE-2002-1840
HighSummary
The irssi IRC client version 0.8.4, downloaded after March 14, 2002, may contain a backdoor in the configuration file, allowing remote attackers to access the system.
Risk Assessment
The presence of a backdoor in the configuration file poses a serious security risk, enabling unauthorized access to data and resources.
Recommendation
It is recommended to remove the installed version of irssi and install the latest secure version of the IRC client.
Related vulnerabilities
- CVE-2026-79687Critical
Dell PowerStore SDNAS contains a Missing Authentication for Critical Function vulnerability. An unauthenticated attacker with remote access could exploit this, leading to filesystem access.
- CVE-2026-18931Critical
Use of Hard-coded Credentials vulnerability in Talassoft Industrial Management Software allows retrieval of embedded sensitive data. Affects versions from V.4 before V.16.
- CVE-2026-78012Critical
An issue in the NetStaX EtherNet/IP Stack prior to v5.6.1 could allow a large Class 3 explicit-message request to exceed the application-side receive buffer without error. This could result in memory corruption, device crash, or remote attack vector.
- CVE-2026-9621Critical
A denial-of-service issue exists in RSLinx Classic due to improper handling of a malformed packet. A crafted CIP packet can crash the service, requiring restart.
- CVE-2026-18808Critical
Improper Control of Generation of Code ('Code Injection') vulnerability in KIO (Klemsan Internet Objects) allows code injection. Affects versions before v1.9.
- CVE-2026-18210Critical
Improper neutralization of special elements in an SQL command ('SQL injection') vulnerability in Products's Store allows SQL injection. Affects versions before 030631b2.
- CVE-2026-84149Critical
This vulnerability exists in the ERP system due to exposure of repository information through a publicly accessible .git directory. An unauthenticated attacker could retrieve repository metadata and files, potentially reconstructing the application's source code.
- CVE-2026-84148Critical
This vulnerability exists in the ERP system due to improper authentication and authorization controls in the API endpoint. An unauthenticated attacker could manipulate parameters, leading to exposure of sensitive information of other users.
- CVE-2026-84147Critical
This vulnerability exists in the ERP system due to improper authentication controls and inadequate file type validation at the API endpoint. An unauthenticated attacker could upload arbitrary files to a web accessible directory, potentially executing arbitrary code and compromising the system.
- CVE-2026-84121Critical
Sandbox escape vulnerability due to use-after-free in the DOM: Security component. Fixed in Firefox 155, Firefox ESR 115.40, 140.15, and 153.2.
Original NVD description (English source)
irssi IRC client 0.8.4, when downloaded after 14-March-2002, could contain a backdoor in the configuration file, which allows remote attackers to access the system.

