Auth bypass in Abb Ability™ Symphony® Plus Historian
CVE-2020-24674
In S+ Operations and S+ Historian, not all client commands correctly check user permission as expected. Authenticated but Unauthorized remote users could execute a Denial-of-Service (DoS) attack, execute arbitrary code, or obtain more privilege than intended on the machines.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.031 (87.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.030 · newest: 0.031 · change: +0.001
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-2020-24674?
- CVE-2020-24674 is a high-severity vulnerability in Abb Ability™ Symphony® Plus Historian, classified under Improper Authorization. CVSS score: 8.8/10. Published 2020-12-22.
- How severe is CVE-2020-24674?
- High severity. CVSS v3 base score is 8.8 out of 10.