Auth bypass in Abb Ability™ Symphony® Plus Historian
CVE-2020-24675
In S+ Operations and S+ History, it is possible that an unauthenticated user could inject values to the Operations History server (or standalone S+ History server) and ultimately write values to the controlled process.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.012 (67.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: +0.000
Affected products
- Abb Ability™ Symphony® Plus Historian — versions unspecified
- Abb Ability™ Symphony® Plus Operations — versions unspecified
- Abb Symphony \+ Historian — versions 3.0, 3.1
- Abb Symphony \+ Operations — versions 1.1, 2.0, 2.1
Weakness classification (CWE)
References
- search.abb.com/library/Download.aspx (Mitigation, Vendor Advisory)
- search.abb.com/library/Download.aspx (Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-24675?
- CVE-2020-24675 is a critical-severity vulnerability in Abb Ability™ Symphony® Plus Historian, classified under Improper Authentication. CVSS score: 9.8/10. Published 2020-12-22.
- How severe is CVE-2020-24675?
- Critical severity. CVSS v3 base score is 9.8 out of 10.