CVE-2014-0789 json
Schneider Electric OPC Factory Server Buffer Overflow
published 2014-04-04 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-0820
- cvss
- 5.0
- version 2.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.5%
- EPSS 2.5% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
Summary
Multiple buffer overflows in the OPC Automation 2.0 Server Object ActiveX control in Schneider Electric OPC Factory Server (OFS) TLXCDSUOFS33 3.5 and earlier, TLXCDSTOFS33 3.5 and earlier, TLXCDLUOFS33 3.5 and earlier, TLXCDLTOFS33 3.5 and earlier, and TLXCDLFOFS33 3.5 and earlier allow remote attackers to cause a denial of service via long arguments to unspecified functions.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-14-093-01 updated cvss 5.0
Schneider Electric OPC Factory Server Buffer Overflow
-
Schneider Electric TLXCDLFOFS33 <=V3.5 Schneider Electric TLXCDLTOFS33 <=V3.5 Schneider Electric TLXCDLUOFS33 <=V3.5 Schneider Electric TLXCDSTOFS33 <=V3.5 Schneider Electric TLXCDSUOFS33 <=V3.5affected: mitigation
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
2.47% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Affected products
- Schneider Electric OPC Factory Server (OFS)
Classification
References
-
schneider-electric.com
/corporate/en/support/cybersecurity/viewer-news.page?c_filepath=/templatedata/Content/News/data/en/local/cyber
vendor-advisory
- cisa.gov /news-events/ics-advisories/icsa-14-093-01
- www2.schneider-electric.com /sites/corporate/en/support/cybersecurity/cybersecurity.page
-
ics-cert.us-cert.gov
/advisories/ICSA-14-093-01
us-government-resource
Sources
- CVE List CVE-2014-0789
- NVD CVE-2014-0789
Fencer Intel 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.