Is CVE-2020-15796 in the CISA KEV catalog?

No. CVE-2020-15796 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-15796?

CVE-2020-15796 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2020-15796?

CVE-2020-15796 has an EPSS score of 1.59% (73th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2020-15796?

No published fix for CVE-2020-15796 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2020-15796

HIGHEPSS 73th pctl

7.5

CVSS v3

NVD

Description

A vulnerability has been identified in SIMATIC ET 200SP Open Controller (incl. SIPLUS variants) (V20.8), SIMATIC S7-1500 Software Controller (V20.8). The web server of the affected products contains a vulnerability that could allow a remote attacker to trigger a denial-of-service condition by sending a specially crafted HTTP request.

CWE-248

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

1.59%probability of exploitation in 30 days

73rdpercentile

Elevated risk: more likely to be exploited than 73% of all known CVEs.

References

Vendor Advisory1

cert-portal.siemens.com

Embed a live status badge for CVE-2020-15796

Markdown

[![CVE-2020-15796](https://tridentstack.com/cve/badge/CVE-2020-15796.svg)](https://tridentstack.com/cve/CVE-2020-15796)

HTML

<a href="https://tridentstack.com/cve/CVE-2020-15796"><img src="https://tridentstack.com/cve/badge/CVE-2020-15796.svg" alt="CVE-2020-15796"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.