Vulnerability Details : CVE-2009-3623

The lookup_cb_cred function in fs/nfsd/nfs4callback.c in the nfsd4 subsystem in the Linux kernel before 2.6.31.2 attempts to access a credentials cache even when a client specifies the AUTH_NULL authentication flavor, which allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via an NFSv4 mount request.
Vulnerability category: Memory CorruptionBypassGain privilegeDenial of service
Published 2009-10-30 20:30:00
Updated 2023-02-13 01:17:48
Source Red Hat, Inc.
View at NVD,   CVE.org

Threat overview for CVE-2009-3623

Top countries where our scanners detected CVE-2009-3623
Top open port discovered on systems with this issue 52869
IPs affected by CVE-2009-3623 235,060
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2009-3623!
*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-2009-3623

Probability of exploitation activity in the next 30 days: 4.35%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 91 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2009-3623

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
7.8
 HIGH AV:N/AC:L/Au:N/C:N/I:N/A:C
10.0
6.9
 nvd@nist.gov

CWE ids for CVE-2009-3623

  • When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
    Assigned by: nvd@nist.gov (Primary)

Vendor statements for CVE-2009-3623

This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!
Accept Close