CVE-1999-0192

CRITICAL ⚠ Exploit

Buffer overflow in telnet daemon tgetent routing allows remote attackers to gain root access via the TERMCAP environmental variable.

Affects 2 products across 2 vendors.

CVSS 2.010.0
EPSS10.0%
Percentile96th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
◆ AI Analysis — automated analysis, not human-reviewed

A buffer overflow vulnerability in the telnet daemon's tgetent function allows remote attackers to gain root access by manipulating the TERMCAP environment variable.

BSID: BS-1997-GLOBAL-330247-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

Is this CVE in your environment?

BreachSpider monitors your ICS/OT environment for vulnerabilities like this one. No agents or network access required. Free to start.

Check My Environment →
Frequently Asked Questions
What is CVE-1999-0192?
A buffer overflow vulnerability in the telnet daemon's tgetent function allows remote attackers to gain root access by manipulating the TERMCAP environment variable.
What is the CVSS score for CVE-1999-0192?
CVE-1999-0192 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 10.0%.
Is CVE-1999-0192 actively exploited?
Public exploit available for CVE-1999-0192. Exploitation risk elevated.
How do I remediate CVE-1999-0192?
Priority: IMMEDIATE.
What systems are affected by CVE-1999-0192?
CVE-1999-0192 affects Redhat Linux; Slackware Slackware Linux.
Vulnerability Details
CVE IDCVE-1999-0192
BSIDBS-1997-GLOBAL-330247-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published1997-10-18
Last Modified2026-06-16
ICS Relevance0%
SourceNVD
Official Description

Buffer overflow in telnet daemon tgetent routing allows remote attackers to gain root access via the TERMCAP environmental variable.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The vulnerability is exploited by setting a specially crafted TERMCAP environment variable that triggers a buffer overflow in the telnet daemon's tgetent function, leading to potential code execution with root privileges.

Exploitation Likelihood: CRITICAL

Affected Products
VendorProductAffected Versions
Redhat Linux 4.0 4.1 4.2 5.0 5.1 5.2
+1 more6.0
Slackware Slackware Linux 3.2 3.3 3.4 3.5 3.6 3.9
+1 more4.0
Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 10598 Days
CISA known-exploitedNot in KEV catalog
Public Exploit⚠ Available — Reference
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
Related CVEs affecting Redhat
CVE-2000-0391 10.0 Buffer overflow in krshd in Kerberos 5 allows remote attackers to gain root p... CVE-1999-1299 10.0 rcp on various Linux systems including Red Hat 4.0 allows a "nobody" user or ... CVE-2000-0390 10.0 Buffer overflow in krb425_conv_principal function in Kerberos 5 allows remote... CVE-2012-3963 10.0 Use-after-free vulnerability in the js::gc::MapAllocToTraceKind function in M... CVE-2015-0235 10.0 Heap-based buffer overflow in the __nss_hostname_digits_dots function in glib...
View all Redhat CVEs →

Critical Severity - Know Your Exposure

A CVSS 10.0 vulnerability in your ICS environment cannot wait. BreachSpider maps critical CVEs to your specific assets and tells you what to fix first.

Create a free account →