Critical severity · published Dec 22, 2020
CVE-2020-24679
A S+ Operations and S+ Historian service is subject to a DoS by special crafted messages
9.8
CVSS
1.9%
EPSS
No
On KEV
Description
A S+ Operations and S+ Historian service is subject to a DoS by special crafted messages. An attacker might use this flaw to make it crash or even execute arbitrary code on the machine where the service is hosted.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SH
Symphony + Historian · Abb
3.0; 3.1 · source: NVD
SO
Symphony + Operations · Abb
1.1; 2.0; 2.1; 2.1; 3.0; 3.1; +2 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-24679
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-24679
Mitigation
https://search.abb.com/library/Download.aspx?DocumentID=2PAA123980&LanguageCode=en&DocumentPartId=&Action=Launch
Mitigation
https://search.abb.com/library/Download.aspx?DocumentID=2PAA123982&LanguageCode=en&DocumentPartId=&Action=Launch
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