CVE-2020-24675: abb abb ability™ symphony® plus historian Improper Authentication
CVSS: 9.8v3.1CriticalModified
Published 22-12-2020Last modified 16-09-2024
Vulnerability summary
CVE-2020-24675 is a critical (CVSS 9.8) Improper Authentication vulnerability in abb abb ability™ symphony® plus historian. EPSS estimates a 1.21% chance of exploitation in the next 30 days, higher than 68% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
1.21%
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+ 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.
CVSS metrics
3 scores · 2 sources · 2 versionsCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.21%
Chance of exploitation in the next 30 days
Percentile
68%
Versus all other CVEs
30-day change
0.00 pp
From 1.21% on 21-09-2026
21-09-202621-10-2026
EPSS score1.21%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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