CVE-2016-8562
Siemens SIMATIC CP 1543-1 Improper Privilege Manag - [Actively Exploited]
Description
A vulnerability has been identified in SIMATIC CP 1543-1 (All versions < V2.0.28), SIPLUS NET CP 1543-1 (All versions < V2.0.28). Under special conditions it was possible to write SNMP variables on port 161/udp which should be read-only and should only be configured with TIA-Portal. A write to these variables could reduce the availability or cause a denial-of-service.
INFO
Published Date :
Nov. 18, 2016, 9:59 p.m.
Last Modified :
Nov. 21, 2024, 2:59 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
1.6
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
An improper privilege management vulnerability exists within the Siemens SIMATIC Communication Processor (CP) that allows a privileged attacker to remotely cause a denial of service.
Apply updates per vendor instructions.
https://nvd.nist.gov/vuln/detail/CVE-2016-8562
Public PoC/Exploit Available at Github
CVE-2016-8562 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2016-8562
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2016-8562.
| URL | Resource |
|---|---|
| http://www.securityfocus.com/bid/94436 | Broken Link Third Party Advisory VDB Entry |
| http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf | Broken Link Patch Vendor Advisory |
| https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf | Vendor Advisory |
| https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01 | Third Party Advisory US Government Resource |
| http://www.securityfocus.com/bid/94436 | Broken Link Third Party Advisory VDB Entry |
| http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf | Broken Link Patch Vendor Advisory |
| https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf | Vendor Advisory |
| https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01 | Third Party Advisory US Government Resource |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
cisa-kev vulnerability 0day cisa exploits
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2016-8562 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-8562 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/94436 Added Reference http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf Added Reference https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01 -
Modified Analysis by [email protected]
Jul. 24, 2024
Action Type Old Value New Value Removed CVSS V3 NIST AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H Added CVSS V3.1 NIST AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://www.securityfocus.com/bid/94436 Third Party Advisory, VDB Entry http://www.securityfocus.com/bid/94436 Broken Link, Third Party Advisory, VDB Entry Changed Reference Type http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf Patch, Vendor Advisory http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf Broken Link, Patch, Vendor Advisory Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf Vendor Advisory Changed Reference Type https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01 No Types Assigned https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01 Third Party Advisory, US Government Resource Removed CWE NIST CWE-20 Added CWE NIST NVD-CWE-noinfo Changed CPE Configuration AND OR *cpe:2.3:o:siemens:simatic_cp_1543-1_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:simatic_cp_1543-1:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:siemens:simatic_cp_1543-1_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.28 OR cpe:2.3:h:siemens:simatic_cp_1543-1:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:siemens:siplus_net_cp_1543-1_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.0.28 OR cpe:2.3:h:siemens:siplus_net_cp_1543-1:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 12, 2022
Action Type Old Value New Value Changed Description A vulnerability has been identified in SIMATIC CP 1543-1 (All versions < V2.0.28), SIPLUS NET CP 1543-1 (All versions < V2.0.28). Under special conditions it was possible to write SNMP variables on port 161/udp which should be read-only and should only be configured with TIA-Portal. A write to these variables could reduce the availability or cause a denial-of-service. A vulnerability has been identified in SIMATIC CP 1543-1 (All versions < V2.0.28), SIPLUS NET CP 1543-1 (All versions < V2.0.28). Under special conditions it was possible to write SNMP variables on port 161/udp which should be read-only and should only be configured with TIA-Portal. A write to these variables could reduce the availability or cause a denial-of-service. Removed CWE MITRE CWE-20 -
CVE Modified by [email protected]
Apr. 12, 2022
Action Type Old Value New Value Changed Description Siemens SIMATIC CP 1543-1 before 2.0.28, when SNMPv3 write access or SNMPv1 is enabled, allows remote authenticated users to cause a denial of service by modifying SNMP variables. A vulnerability has been identified in SIMATIC CP 1543-1 (All versions < V2.0.28), SIPLUS NET CP 1543-1 (All versions < V2.0.28). Under special conditions it was possible to write SNMP variables on port 161/udp which should be read-only and should only be configured with TIA-Portal. A write to these variables could reduce the availability or cause a denial-of-service. Added CWE MITRE CWE-20 -
CVE Modified by [email protected]
Feb. 10, 2020
Action Type Old Value New Value Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-672373.pdf [No Types Assigned] -
CVE Modified by [email protected]
Dec. 22, 2016
Action Type Old Value New Value Added Reference https://ics-cert.us-cert.gov/advisories/ICSA-16-327-01 [No Types Assigned] -
Modified Analysis by [email protected]
Dec. 02, 2016
Action Type Old Value New Value Changed Reference Type http://www.securityfocus.com/bid/94436 No Types Assigned http://www.securityfocus.com/bid/94436 Third Party Advisory, VDB Entry -
CVE Modified by [email protected]
Nov. 28, 2016
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/94436 [No Types Assigned] -
Initial Analysis by [email protected]
Nov. 22, 2016
Action Type Old Value New Value Added CPE Configuration Configuration 1 AND OR *cpe:2.3:o:siemens:simatic_cp_1543-1_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:simatic_cp_1543-1:-:*:*:*:*:*:*:* Added CVSS V2 (AV:N/AC:M/Au:S/C:N/I:N/A:P) Added CVSS V3 AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf No Types Assigned http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-672373.pdf Vendor Advisory, Patch Added CWE CWE-20
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2016-8562 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2016-8562
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
6.46 }} 4.85%
score
0.93635
percentile