CVE-2020-7586
published 2020-06-10CVE-2020-7586: 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 <…
PriorityP337high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.40%
32.6th percentile
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. Successful exploitation requires user privileges but no user interaction. The vulnerability could allow an attacker to compromise the availability of the system as well as to have access to confidential information.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| siemens | simatic_pcs_7_v8.2_and_earlier | — | — |
| siemens | simatic_pcs_7_v9.0 | — | — |
| siemens | simatic_pdm | — | — |
| siemens | simatic_step_7 | < 5.6 | 5.6 |
| siemens | simatic_step_7 | — | — |
| siemens | simatic_step_7_v5.x | — | — |
| siemens | sinamics_starter | < 5.4 | 5.4 |
| siemens | sinamics_starter | — | — |
| siemens | sinamics_starter | — | — |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.04.6MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
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CISA ICS
Siemens SIMATIC, SINAMICS (Update C)
cisa_ics·2020-12-08·CVSS 7.8
[HIGH] Siemens SIMATIC, SINAMICS (Update C)
## Archived Content In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.
ICS Advisory
##
Siemens SIMATIC, SINAMICS (Update C)
Last RevisedApril 13, 2021
Alert CodeICSA-20-161-05
## 1. EXECUTIVE SUMMARY
- CVSS v3 7.8
- ATTENTION: Low attack complexity
- Vendor: Siemens
- Equipment: SIMATIC, SINAMICS
- Vulnerabilities: Uncontrolled Search Path Element, Heap-based Buffer Overflow
## 2. UPDATE INFORMATION
This updated advisory is a follow-up to the advisory update titled ICSA-20-161-05 Siemens SIMATIC, SINAMICS (Update B) that was published December 8, 2020, to the ICS webpage on us-cert.gov.
## 3. RISK EVALUATION
Successful exploitation of these vulnerabilities
GHSA
GHSA-wggc-468x-3c9v: A vulnerability has been identified in SIMATIC PCS 7 (All versions), SIMATIC PDM (All versions), SIMATIC STEP 7 V5
ghsa_unreviewed·2022-05-24
CVE-2020-7586 [MEDIUM] CWE-122 GHSA-wggc-468x-3c9v: A vulnerability has been identified in SIMATIC PCS 7 (All versions), SIMATIC PDM (All versions), SIMATIC STEP 7 V5
A vulnerability has been identified in SIMATIC PCS 7 (All versions), SIMATIC PDM (All versions), SIMATIC STEP 7 V5.X (All versions < V5.6 SP2 HF3), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 HF1). 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. Successful exploitation requires user privileges but no user interaction. The vulnerability could allow an attacker to compromise the availability of the system as well as to have access to confidential information.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://cert-portal.siemens.com/productcert/pdf/ssa-689942.pdfhttps://us-cert.cisa.gov/ics/advisories/icsa-20-161-05https://www.us-cert.gov/ics/advisories/icsa-20-161-05https://cert-portal.siemens.com/productcert/pdf/ssa-689942.pdfhttps://us-cert.cisa.gov/ics/advisories/icsa-20-161-05https://www.us-cert.gov/ics/advisories/icsa-20-161-05
2020-06-10
Published