Is CVE-2020-23140 actively exploited?

No active exploitation of CVE-2020-23140 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-23140 be exploited remotely?

Yes. CVE-2020-23140 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-23140?

CVE-2020-23140 has a CVSS score of 8.1 (HIGH).

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HIGH

CVE-2020-23140

CWE-613Published: November 9, 2020· Updated: Jun 17, 2026

8.1

CVSS v3.1

Official Description

Microweber 1.1.18 is affected by insufficient session expiration. When changing passwords, both sessions for when a user changes email and old sessions in any other browser or device, the session does not expire and remains active.

NVD Source

Technical Analysis

CVE-2020-23140 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 8.1.