# ABB Central Licensing System - Weak File Permissions CVE record · `CVE-2020-8471` - **Identifiers:** `CVE-2020-8471` - **State:** Confirmed - **Severity:** CVSS 7.8 High - **Critical:** No - **CNA:** ABB - **Weakness (CWE):** [CWE-275](https://cwe.mitre.org/data/definitions/275.html) - **Tags:** [CWE-275](https://agentprime.io/advisories/tag/cwe-275.md) - **Technologies:** [ABB Central Licensing System](https://agentprime.io/advisories/technology/abb-central-licensing-system.md) · [ABB Ability System 800xA](https://agentprime.io/advisories/technology/abb-ability-system-800xa.md) · [ABB Compact HMI](https://agentprime.io/advisories/technology/abb-compact-hmi.md) · [ABB Control Builder Safe](https://agentprime.io/advisories/technology/abb-control-builder-safe.md) · [ABB Symphony Plus S+ Operations](https://agentprime.io/advisories/technology/abb-symphony-plus-s-operations.md) · [ABB Symphony Plus S+ Engineering](https://agentprime.io/advisories/technology/abb-symphony-plus-s-engineering.md) · [ABB Composer Harmony](https://agentprime.io/advisories/technology/abb-composer-harmony.md) · [ABB Composer Melody](https://agentprime.io/advisories/technology/abb-composer-melody.md) · [ABB Harmony OPC Server Standalone](https://agentprime.io/advisories/technology/abb-harmony-opc-server-standalone.md) · [ABB Advant OCS Control Builder A](https://agentprime.io/advisories/technology/abb-advant-ocs-control-builder-a.md) · [ABB Composer CTK](https://agentprime.io/advisories/technology/abb-composer-ctk.md) · [ABB AdvaBuild](https://agentprime.io/advisories/technology/abb-advabuild.md) · [ABB OPC Server for Mod 300 (non-800xA)](https://agentprime.io/advisories/technology/abb-opc-server-for-mod-300-non-800xa.md) · [ABB OPC Data Link](https://agentprime.io/advisories/technology/abb-opc-data-link.md) · [ABB Knowledge Manager](https://agentprime.io/advisories/technology/abb-knowledge-manager.md) · [ABB Manufacturing Operations Management](https://agentprime.io/advisories/technology/abb-manufacturing-operations-management.md) · [ABB Advant OCS AC 100 OPS Server](https://agentprime.io/advisories/technology/abb-advant-ocs-ac-100-ops-server.md) - **Published:** 29 Apr 2020 - **Updated:** 4 Aug 2024 - **Reviewed by a person:** No Published by the CVE Program (CNA: ABB) at 29 Apr 2020, 01:30 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. ## Affected products, as the CNA wrote them - Vendor: ABB. Product: Central Licensing System. - affected: `5.1 to before 5*` (custom) - Vendor: ABB. Product: ABB Ability System 800xA. - affected: `5.1` - affected: `6.0` - affected: `6.1` - Vendor: ABB. Product: Compact HMI. - affected: `5.1` - affected: `6.0` - Vendor: ABB. Product: Control Builder Safe. - affected: `1.0` - affected: `1.1` - affected: `2.0` - Vendor: ABB. Product: Symphony Plus S+ Operations. - affected: `3 to 3.2, inclusive` (custom) - Vendor: ABB. Product: Symphony Plus S+ Engineering. - affected: `1.1 to 2.2, inclusive` (custom) - Vendor: ABB. Product: Composer Harmony. - affected: `5.1` - affected: `6.0` - affected: `6.1` - Vendor: ABB. Product: Composer Melody. - affected: `5.3` - affected: `6 to 6.3, inclusive` (custom) - Vendor: ABB. Product: Harmony OPC Server Standalone. - affected: `6.0` - affected: `6.1` - affected: `7.0` - Vendor: ABB. Product: Advant OCS Control Builder A. - affected: `1.3` - affected: `1.4` - Vendor: ABB. Product: Composer CTK. - affected: `6.1` - affected: `6.2` - Vendor: ABB. Product: AdvaBuild. - affected: `3.7 SP1` - affected: `3.7 SP2` - Vendor: ABB. Product: OPC Server for Mod 300 (non-800xA). - affected: `1.4` - Vendor: ABB. Product: OPC Data Link. - affected: `2.1` - affected: `2.2` - Vendor: ABB. Product: Knowledge Manager. - affected: `8.0` - affected: `9.0` - affected: `9.1` - Vendor: ABB. Product: Manufacturing Operations Management. - affected: `1812` - affected: `1909` - Vendor: ABB. Product: Advant OCS AC 100 OPS Server. - affected: `5.1` - affected: `6.0` - affected: `6.1` ## Not analysed yet We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter. ## Severity and exploitation - 7.8 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`, from CNA (ABB) - **CISA KEV:** Not listed. - **EPSS:** 0.0037, the 31st percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days. ## Timeline This record came from the full history of the CVE Program, published 29 Apr 2020. New records show when each source confirmed them. ## Sources - [CVE List: CVE-2020-8471](https://www.cve.org/CVERecord?id=CVE-2020-8471) - [NVD: CVE-2020-8471](https://nvd.nist.gov/vuln/detail/CVE-2020-8471) ### References from the CNA - (confirm) - (confirm) - Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description. ## Check whether this affects you This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run. - With the agentprime MCP server (), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: - As JSON: - Everything that needs attention now: --- The web page: . Everything for agents: .