CVE-2020-13938

lowpriority · track · 26OT risk · elevatedEPSS 0.119 · 96 %ileDEEUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

11.9% (96th) EPSS

CVSS 2.1 · low

Is it mine?

37 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · cisa_csaf_ot

EPSS · scored 2026-10-22

Apache HTTP Server versions 2.4.0 to 2.4.46 Unprivileged local users can stop httpd on Windows

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationMELSOFT iQ AppPortal (SW1DND-IQAPL-M)cisa_csaf_ot
Install an antivirus software in the personal computer that runs this product.

cvss

Technical severity, 0–10. One row per scoring source.

5.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.1–5.5

v2.02.1lowAV:L/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 3.9 · impact 2.9

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.05.5mediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · CISA US

v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-862USprimaryCWE-862US

affected products (37)

Products and version ranges known to be affected.

Juniper JUNOSall versionscert_bundDEcpe:/o:juniper:junos:-
MELSOFT iQ AppPortal (SW1DND-IQAPL-M): Versions 1.00A through 1.26Call versionscisa_csaf_otUS
Mitsubishi Electric MELSOFT iQ AppPortal (SW1DND-IQAPL-M)1.00A | → 1.26Ccisa_csaf_otUS
Apache Software Foundation Apache HTTP Server≤ 2.4.18enisa_euvdEU
Apache Software Foundation Apache HTTP Server≤ 2.4.29enisa_euvdEU
Apache Software Foundation Apache HTTP Server≤ 2.4.3enisa_euvdEU
Apache Software Foundation Apache HTTP Server≤ 2.4.17enisa_euvdEU
Apache Software Foundation Apache HTTP Server≤ 2.4.41enisa_euvdEU
Apache Software Foundation Apache HTTP Server≤ 2.4.37enisa_euvdEU
Apache Software Foundation Apache HTTP Server≤ 2.4.27enisa_euvdEU
Apache Software Foundation Apache HTTP Server≤ 2.4.26enisa_euvdEU
Apache Software Foundation Apache HTTP Server≤ 2.4.46enisa_euvdEU
Apache Software Foundation Apache HTTP Server≤ 2.4.28enisa_euvdEU
Apache Software Foundation Apache HTTP Server≤ 2.4.25enisa_euvdEU
Apache Software Foundation Apache HTTP Server≤ 2.4.0enisa_euvdEU
Apache Software Foundation Apache HTTP Server≤ 2.4.35enisa_euvdEU
Apache Software Foundation Apache HTTP Server≤ 2.4.12enisa_euvdEU
Apache Software Foundation Apache HTTP Server≤ 2.4.9enisa_euvdEU
Apache Software Foundation Apache HTTP Server≤ 2.4.20enisa_euvdEU
Apache Software Foundation Apache HTTP Server≤ 2.4.6enisa_euvdEU

showing 20 of 37

advisories (4)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-0438Apache HTTP Server: Mehrere SchwachstellenDeutsch2021-06-09csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Apache HTTP Server ausnutzen, um einen Denial of Service Angriff durchzuführen, Sicherheitsvorkehrungen zu umgehen oder sonstige Auswirkungen zu verursachen.
WID-SEC-W-2024-1591Juniper JUNOS: Mehrere SchwachstellenDeutsch2024-07-10csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Juniper JUNOS ausnutzen, um einen Denial of Service zu verursachen, Informationen offenzulegen, Privilegien zu erweitern und Sicherheitsmechanismen inklusive zu umgehen.
ICSA-22-132-02Mitsubishi Electric MELSOFT iQ AppPortal2022-05-12icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could result in a denial-of-service condition, malicious program execution, information disclosure, information tampering, or authentication bypass.
BIT-apache-2020-13938Improper Handling of Insufficient Privileges2024-03-06vendor · osvUS
Apache HTTP Server versions 2.4.0 to 2.4.46 Unprivileged local users can stop httpd on Windows

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund cisa_csaf_ot osv NVD CVE.org MITRE

published 2021-06-10modified 2026-06-17

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+11412 more

references (30)

External citations — patches, advisories, analysis.

scry

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