Detections
Analytics

SCA: security update for pykerberos (GHSA-mffc-9gx5-99g3)

critical Tenable Cloud Security Plugin ID 432744

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - The checkPassword function in python-kerberos does not authenticate the KDC it attempts to communicate
 with, which allows remote attackers to cause a denial of service (bad response), or have other unspecified
 impact by performing a man-in-the-middle attack. (CVE-2015-3206)

See Also

https://github.com/advisories/GHSA-mffc-9gx5-99g3

Plugin Details

Severity: Critical

ID: 432744

Version: Revision 1.4

Type: Local

Family: SCA Checks

Published: 8/11/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2015-3206

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9.2

Threat Score: 7.2

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/14/2022

Vulnerability Publication Date: 5/21/2015

Reference Information

CVE: CVE-2015-3206

BID: 74760

cwe: CWE-287