CVE-2020-24680
Improper Credential Storage in Symphony Plus
In S+ Operations and S+ Historian, the passwords of internal users (not Windows Users) are encrypted but improperly stored in a database.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Improper Credential Storage in Symphony Plus
In S+ Operations and S+ Historian, the passwords of internal users (not Windows Users) are encrypted but improperly stored in a database.
- Record
CVE-2020-24680- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-255
- Updated
- 2026-11-02
EUVDEUVD-2020-17394
In S+ Operations and S+ Historian, the passwords of internal users (not Windows Users) are encrypted but improperly stored in a database.
- Record
EUVD-2020-17394- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m6v6-xwrv-hp92 No score
In S+ Operations and S+ Historian, the passwords of internal users (not Windows Users) are...
In S+ Operations and S+ Historian, the passwords of internal users (not Windows Users) are encrypted but improperly stored in a database.
- Record
GHSA-m6v6-xwrv-hp92- Weakness
- CWE-522
- Updated
- 2026-11-02
NVD
In S+ Operations and S+ Historian, the passwords of internal users (not Windows Users) are encrypted but improperly stored in a database.
- Record
CVE-2020-24680- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-255, CWE-522
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-24680 is a high vulnerability (CVSS 7.0) in Abb Ability™ Symphony® Plus Historian, published December 22, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.28%, the 20th percentile. No source names a fixed version.