CVE-2020-28390 json
A vulnerability has been identified in Opcenter Execution Core (V8.2), Opcenter Execution Core (V8.3).
published 2021-01-12 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-20849
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 40%
- public exploits
- 0
- none known
Summary
A vulnerability has been identified in Opcenter Execution Core (V8.2), Opcenter Execution Core (V8.3). The application contains an information leakage vulnerability in the handling of web client sessions. A local attacker who has access to the Web Client Session Storage could disclose the passwords of currently logged-in users.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-20-196-07 updated cvss 5.5
Siemens Opcenter Execution Core (Update B)
-
Siemens Opcenter Execution Core V8.2, V8.3affected: vendor fix, mitigation
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
Exploit prediction
0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- Siemens Opcenter Execution Core
Classification
- Weakness
-
- CWE-522 Insufficiently Protected Credentials
References
-
cert-portal.siemens.com
/productcert/pdf/ssa-604937.pdf
vendor-advisory
-
zerodayinitiative.com
/advisories/ZDI-21-051/
not-applicable
Sources
- CVE List CVE-2020-28390
- NVD CVE-2020-28390
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.