Is CVE-2022-43767 in the CISA KEV catalog?

No. CVE-2022-43767 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-43767?

CVE-2022-43767 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2022-43767?

CVE-2022-43767 has an EPSS score of 0.72% (49th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-43767?

Upgrade simatic cp 443-1 advanced firmware to 3.3 or later. Fixes are available for 6 affected products.

CVE & CISA-KEV Catalog

CVE-2022-43767

HIGH

7.5

CVSS v3

NVD

Description

A vulnerability has been identified in SIMATIC CP 1242-7 V2 (6GK7242-7KX31-0XE0) (All versions < V3.4.29), SIMATIC CP 1243-1 (6GK7243-1BX30-0XE0) (All versions < V3.4.29), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions < V3.4.29), SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (All versions < V3.4.29), SIMATIC CP 1243-7 LTE EU (6GK7243-7KX30-0XE0) (All versions < V3.4.29), SIMATIC CP 1243-7 LTE US (6GK7243-7SX30-0XE0) (All versions < V3.4.29), SIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0) (All versions < V3.4.29), SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions < V2.3), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions < V2.3), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions < V2.3), SIMATIC CP 443-1 (6GK7443-1EX30-0XE0) (All versions < V3.3), SIMATIC CP 443-1 (6GK7443-1EX30-0XE1) (All versions < V3.3), SIMATIC CP 443-1 Advanced (6GK7443-1GX30-0XE0) (All versions < V3.3), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions < V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions < V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions < V2.3), SIPLUS NET CP 1242-7 V2 (6AG1242-7KX31-7XE0) (All versions < V3.4.29), SIPLUS NET CP 443-1 (6AG1443-1EX30-4XE0) (All versions < V3.3), SIPLUS NET CP 443-1 Advanced (6AG1443-1GX30-4XE0) (All versions < V3.3), SIPLUS S7-1200 CP 1243-1 (6AG1243-1BX30-2AX0) (All versions < V3.4.29), SIPLUS S7-1200 CP 1243-1 RAIL (6AG2243-1BX30-1XE0) (All versions < V3.4.29), SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) (All versions < V2.3.6), TIM 1531 IRC (6GK7543-1MX00-0XE0) (All versions < V2.3.6). The webserver of the affected products contains a vulnerability that may lead to a denial of service condition. An attacker may cause a denial of service situation of the webserver of the affected product.

CWE-833

How to fix

Remediation Available

simatic cp 443-1 advanced firmwareNVD

Affected:< 3.3Fixed in:3.3CVE-2022-43767derived from NVD

simatic cp 443-1 firmwareNVD

Affected:< 3.3Fixed in:3.3CVE-2022-43767derived from NVD

siplus net cp 443-1 advanced firmwareNVD

Affected:< 3.3Fixed in:3.3CVE-2022-43767derived from NVD

siplus net cp 443-1 firmwareNVD

Affected:< 3.3Fixed in:3.3CVE-2022-43767derived from NVD

siplus tim 1531 irc firmwareNVD

Affected:< 2.3.6Fixed in:2.3.6CVE-2022-43767derived from NVD

tim 1531 irc firmwareNVD

Affected:< 2.3.6Fixed in:2.3.6CVE-2022-43767derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

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

0.72%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Vendor Advisory1

cert-portal.siemens.com

Other references2

Embed a live status badge for CVE-2022-43767

Markdown

[![CVE-2022-43767](https://tridentstack.com/cve/badge/CVE-2022-43767.svg)](https://tridentstack.com/cve/CVE-2022-43767)

HTML

<a href="https://tridentstack.com/cve/CVE-2022-43767"><img src="https://tridentstack.com/cve/badge/CVE-2022-43767.svg" alt="CVE-2022-43767"></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.