Detections
Analytics

SCA: security update for pyopenssl (GHSA-2rcm-phc9-3945)

high Tenable Self-Hosted Container Security Plugin ID 423340

Description

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

 - Python Cryptographic Authority pyopenssl version Before 17.5.0 contains a CWE - 401 : Failure to Release
 Memory Before Removing Last Reference vulnerability in PKCS #12 Store that can result in Denial of service
 if memory runs low or is exhausted. This attack appear to be exploitable via Depends upon calling
 application, however it could be as simple as initiating a TLS connection. Anything that would cause the
 calling application to reload certificates from a PKCS #12 store.. This vulnerability appears to have been
 fixed in 17.5.0. (CVE-2018-1000808)

See Also

https://github.com/advisories/GHSA-2rcm-phc9-3945

Plugin Details

Severity: High

ID: 423340

Version: Revision 1.4

Type: Local

Family: SCA Checks

Published: 3/29/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2018-1000808

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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

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

CVSS v4

Risk Factor: High

Base Score: 8.2

Threat Score: 4.6

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/10/2018

Vulnerability Publication Date: 10/8/2018

Reference Information

CVE: CVE-2018-1000808