Attacker Value
Unknown
0
CVE-2021-44693
0
CVE ID
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CVE-2021-44693
(Last updated October 08, 2023) ▾
MITRE ATT&CK
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Command and Control
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Credential Access
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Defense Evasion
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Exfiltration
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What makes this of high-value to an attacker?
What makes this of low-value to an attacker?
Description
Affected devices don’t process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
4.9 Medium
Impact Score:
3.6
Exploitability Score:
1.2
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
High
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
General Information
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
SIMATIC Drive Controller CPU 1504D TF All versions < V2.9.7
SIMATIC Drive Controller CPU 1507D TF All versions < V2.9.7
SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) All versions < V21.9.7
SIMATIC S7-1200 CPU family (incl. SIPLUS variants) All versions < V4.6.0
SIMATIC S7-1500 CPU 1510SP F-1 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1510SP-1 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1511-1 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1511-1 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1511C-1 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1511C-1 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1511F-1 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1511F-1 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1511T-1 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1511TF-1 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1512C-1 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1512C-1 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1512SP F-1 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1512SP-1 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1513-1 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1513-1 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1513F-1 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1513F-1 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1513R-1 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1515-2 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1515-2 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1515F-2 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1515F-2 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1515R-2 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1515T-2 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1515TF-2 PN All versions < V2.9.7
SIMATIC S7-1500 CPU 1516-3 PN/DP All versions < V2.9.7
SIMATIC S7-1500 CPU 1516-3 PN/DP All versions < V2.9.7
SIMATIC S7-1500 CPU 1516F-3 PN/DP All versions < V2.9.7
SIMATIC S7-1500 CPU 1516F-3 PN/DP All versions < V2.9.7
SIMATIC S7-1500 CPU 1516T-3 PN/DP All versions < V3.0.1
SIMATIC S7-1500 CPU 1516TF-3 PN/DP All versions < V3.0.1
SIMATIC S7-1500 CPU 1517-3 PN/DP All versions < V3.0.1
SIMATIC S7-1500 CPU 1517F-3 PN/DP All versions < V3.0.1
SIMATIC S7-1500 CPU 1517H-3 PN All versions < V3.0.1
SIMATIC S7-1500 CPU 1517T-3 PN/DP All versions < V3.0.1
SIMATIC S7-1500 CPU 1517TF-3 PN/DP All versions < V3.0.1
SIMATIC S7-1500 CPU 1518-4 PN/DP All versions < V3.0.1
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP All versions < V3.0.1
SIMATIC S7-1500 CPU 1518F-4 PN/DP All versions < V3.0.1
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP All versions < V3.0.1
SIMATIC S7-1500 CPU 1518HF-4 PN All versions < V3.0.1
SIMATIC S7-1500 CPU 1518T-4 PN/DP All versions < V3.0.1
SIMATIC S7-1500 CPU 1518TF-4 PN/DP All versions < V3.0.1
SIMATIC S7-1500 CPU S7-1518-4 PN/DP ODK All versions < V2.9.7
SIMATIC S7-1500 CPU S7-1518F-4 PN/DP ODK All versions < V2.9.7
SIMATIC S7-1500 ET 200pro: CPU 1513PRO F-2 PN All versions < V2.9.7
SIMATIC S7-1500 ET 200pro: CPU 1513PRO-2 PN All versions < V2.9.7
SIMATIC S7-1500 ET 200pro: CPU 1516PRO F-2 PN All versions < V2.9.7
SIMATIC S7-1500 ET 200pro: CPU 1516PRO-2 PN All versions < V2.9.7
SIMATIC S7-1500 Software Controller V2 All versions < V21.9.7
SIMATIC S7-PLCSIM Advanced All versions < V5.0
SIPLUS ET 200SP CPU 1510SP F-1 PN All versions < V2.9.7
SIPLUS ET 200SP CPU 1510SP F-1 PN RAIL All versions < V2.9.7
SIPLUS ET 200SP CPU 1510SP-1 PN All versions < V2.9.7
SIPLUS ET 200SP CPU 1510SP-1 PN All versions < V2.9.7
SIPLUS ET 200SP CPU 1510SP-1 PN RAIL All versions < V2.9.7
SIPLUS ET 200SP CPU 1510SP-1 PN RAIL All versions < V2.9.7
SIPLUS ET 200SP CPU 1512SP F-1 PN All versions < V2.9.7
SIPLUS ET 200SP CPU 1512SP F-1 PN All versions < V2.9.7
SIPLUS ET 200SP CPU 1512SP F-1 PN RAIL All versions < V2.9.7
SIPLUS ET 200SP CPU 1512SP F-1 PN RAIL All versions < V2.9.7
SIPLUS ET 200SP CPU 1512SP-1 PN All versions < V2.9.7
SIPLUS ET 200SP CPU 1512SP-1 PN All versions < V2.9.7
SIPLUS ET 200SP CPU 1512SP-1 PN RAIL All versions < V2.9.7
SIPLUS ET 200SP CPU 1512SP-1 PN RAIL All versions < V2.9.7
SIPLUS S7-1500 CPU 1511-1 PN All versions < V2.9.7
SIPLUS S7-1500 CPU 1511-1 PN All versions < V2.9.7
SIPLUS S7-1500 CPU 1511-1 PN All versions < V2.9.7
SIPLUS S7-1500 CPU 1511-1 PN All versions < V2.9.7
SIPLUS S7-1500 CPU 1511-1 PN T1 RAIL All versions < V2.9.7
SIPLUS S7-1500 CPU 1511-1 PN T1 RAIL All versions < V2.9.7
SIPLUS S7-1500 CPU 1511-1 PN TX RAIL All versions < V2.9.7
SIPLUS S7-1500 CPU 1511-1 PN TX RAIL All versions < V2.9.7
SIPLUS S7-1500 CPU 1511F-1 PN All versions < V2.9.7
SIPLUS S7-1500 CPU 1511F-1 PN All versions < V2.9.7
SIPLUS S7-1500 CPU 1513-1 PN All versions < V2.9.7
SIPLUS S7-1500 CPU 1513-1 PN All versions < V2.9.7
SIPLUS S7-1500 CPU 1513-1 PN All versions < V2.9.7
SIPLUS S7-1500 CPU 1513-1 PN All versions < V2.9.7
SIPLUS S7-1500 CPU 1513F-1 PN All versions < V2.9.7
SIPLUS S7-1500 CPU 1513F-1 PN All versions < V2.9.7
SIPLUS S7-1500 CPU 1515F-2 PN All versions < V2.9.7
SIPLUS S7-1500 CPU 1515F-2 PN All versions < V2.9.7
SIPLUS S7-1500 CPU 1515F-2 PN RAIL All versions < V2.9.7
SIPLUS S7-1500 CPU 1515F-2 PN T2 RAIL All versions < V2.9.7
SIPLUS S7-1500 CPU 1515R-2 PN All versions < V2.9.7
SIPLUS S7-1500 CPU 1515R-2 PN TX RAIL All versions < V2.9.7
SIPLUS S7-1500 CPU 1516-3 PN/DP All versions < V2.9.7
SIPLUS S7-1500 CPU 1516-3 PN/DP All versions < V2.9.7
SIPLUS S7-1500 CPU 1516-3 PN/DP All versions < V2.9.7
SIPLUS S7-1500 CPU 1516-3 PN/DP All versions < V2.9.7
SIPLUS S7-1500 CPU 1516-3 PN/DP RAIL All versions < V2.9.7
SIPLUS S7-1500 CPU 1516-3 PN/DP TX RAIL All versions < V2.9.7
SIPLUS S7-1500 CPU 1516F-3 PN/DP All versions < V2.9.7
SIPLUS S7-1500 CPU 1516F-3 PN/DP All versions < V2.9.7
SIPLUS S7-1500 CPU 1516F-3 PN/DP RAIL All versions < V2.9.7
SIPLUS S7-1500 CPU 1516F-3 PN/DP RAIL All versions < V2.9.7
SIPLUS S7-1500 CPU 1517H-3 PN All versions < V3.0.1
SIPLUS S7-1500 CPU 1518-4 PN/DP All versions < V3.0.1
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP All versions < V3.0.1
SIPLUS S7-1500 CPU 1518F-4 PN/DP All versions < V3.0.1
SIPLUS S7-1500 CPU 1518HF-4 PN All versions < V3.0.1
SIPLUS TIM 1531 IRC All versions < V2.3.6
TIM 1531 IRC All versions < V2.3.6
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Vendors
Products
- simatic et 200 sp open controller cpu 1515sp pc firmware -,
- simatic s7-1200 cpu 12 1211c firmware,
- simatic s7-1200 cpu 12 1212c firmware,
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- simatic s7-1500 cpu 1518t-4 firmware,
- simatic s7-1500 cpu 1518tf-4 firmware,
- simatic s7-1500 cpu 15pro-2 firmware,
- simatic s7-1500 cpu 15prof-2 firmware,
- simatic s7-1500 cpu cpu 1513pro-2 firmware,
- simatic s7-1500 cpu cpu 1513prof-2 firmware,
- simatic s7-1500 software controller firmware -,
- simatic s7-plcsim advanced firmware,
- siplus et 200sp cp 1542sp-1 irc tx rail firmware,
- siplus et 200sp cp 1543sp-1 isec firmware,
- siplus et 200sp cp 1543sp-1 isec tx rail firmware,
- siplus s7-1200 cp 1243-1 firmware,
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- siplus s7-300 cpu 314 firmware -,
- siplus s7-300 cpu 315-2 dp firmware -,
- siplus s7-300 cpu 315-2 pn/dp firmware -,
- siplus s7-300 cpu 317-2 pn/dp firmware -,
- siplus tim 1531 irc firmware -,
- tim 1531 irc firmware -
References
Additional Info
Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Rapid7
Technical Analysis
Report as Emergent Threat Response
Report as Zero-day Exploit
Report as Exploited in the Wild
CVE ID
AttackerKB requires a CVE ID in order to pull vulnerability data and references from the CVE list and the National Vulnerability Database. If available, please supply below: