The vty layer in Quagga before 0.96.4, and Zebra 0.93b and earlier, does not verify that sub-negotiation is taking place when processing the SE marker, which allows remote attackers to cause a denial of service (crash) via a malformed telnet command to the telnet CLI port, which may trigger a null dereference.
Published 2003-12-15 05:00:00
Updated 2016-10-18 02:37:28
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Input validationDenial of service

Threat overview for CVE-2003-0795

Top countries where our scanners detected CVE-2003-0795
Top open port discovered on systems with this issue 2601
IPs affected by CVE-2003-0795 574
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2003-0795!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2003-0795

Probability of exploitation activity in the next 30 days: 1.77%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 86 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2003-0795

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
5.0
MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
NIST

CWE ids for CVE-2003-0795

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2003-0795

Products affected by CVE-2003-0795

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