CVE-2020-7586 — Heap-based Buffer Overflow in Siemens Simatic Step 7

CWE-122 — Heap-based Buffer OverflowCWE-787 — Out-of-bounds Write3 documents3 sources
Severity
7.8HIGHNVD
EPSS
0.2%
top 64.17%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Siemens Simatic Step 7Siemens Sinamics StarterSiemens Simatic PCS 7 V8.2 AND Earlier+3 more
Timeline
PublishedJun 10
Latest updateMay 24

Description

A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3), SIMATIC PDM (All versions < V9.2), SIMATIC STEP 7 V5.X (All versions < V5.6 SP2 HF3), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 HF2). A buffer overflow vulnerability could allow a local attacker to cause a Denial-of-Service situation. The security vulnerability could be exploited by an attacker with local access to the affected systems. S…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages7 packages

▶CVEListV5siemens/simatic_step_7_v5.xAll versions < V5.6 SP2 HF3
▶CVEListV5siemens/simatic_pdmAll versions < V9.2
▶CVEListV5siemens/simatic_pcs_7_v9.0All versions < V9.0 SP3

🔴Vulnerability Details

2
GHSA
GHSA-wggc-468x-3c9v: A vulnerability has been identified in SIMATIC PCS 7 (All versions), SIMATIC PDM (All versions), SIMATIC STEP 7 V5↗2022-05-24
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CVEList
CVE-2020-7586: A vulnerability has been identified in SIMATIC PCS 7 V8↗2020-06-10
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CVE-2020-7586 — Heap-based Buffer Overflow in Siemens | cvebase