CVE-2020-24674: abb abb ability™ symphony® plus historian Improper Authorization
CVSS: 9.0v2.0HighModified
Published 22-12-2020Last modified 16-09-2024
Vulnerability summary
CVE-2020-24674 is a high (CVSS 9.0) Improper Authorization vulnerability in abb abb ability™ symphony® plus historian. EPSS estimates a 3.11% chance of exploitation in the next 30 days, higher than 87.6% of scored vulnerabilities.
CVSS score
9.0/10
010
High · v2.0 (NVD)EPSS score
3.11%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 22-12-2020PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
High 9.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
3.11%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
0.00 pp
From 3.11% on 21-09-2026
21-09-202621-10-2026
EPSS score3.11%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-285Improper AuthorizationThe product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
- CWE-863Incorrect AuthorizationThe product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.
Affected systems
Abb4 products
- abb ability™ symphony® plus historian≥ unspecified, < 3.2
- abb ability™ symphony® plus operations≥ unspecified, < 3.3 Service Pack 1 | ≥ unspecified, < 2.1 SP2 Rollup 2 | ≥ unspecified, < 2.2
- symphony_\+_historian3.0 | 3.1
- symphony_\+_operations1.1 | 2.0 | 2.1:sp1 | 2.1:sp2 | 3.0 | 3.1 | 3.2 | 3.3
1 vendor · 4 products