CVE-2021-22823

A CWE-306: Missing Authentication for Critical Function vulnerability exists that could cause deletion of arbitrary files in the context of the user running IGSS due to lack of validation of network messages. Affected Product: Interactive Graphical SCADA System Data Collector (dc.exe) (V15.0.0.21320 and prior)

Published: 2022-02-11 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2021-22823 is rated High Risk (75.4/100): CVSS Critical severity, with high exploitation likelihood (EPSS 21.39%, 97th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +21.07% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2021-22823

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.32% 21.39% +21.07%
2 2025-11-29 1.75% 0.32% -1.43%
3 2025-11-21 — 1.75% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2021-22823

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.1 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.2 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2021-22823

OS Trackers for CVE-2021-22823

vendor priority summary link
alpine critical CVE-2021-22823: 1 source package rows (expat); 1 state rows across 1 repos (edge-main); fixed 1, open 0. https://security.alpinelinux.org/vuln/CVE-2021-22823

Affected software / configurations for CVE-2021-22823

Vendor Product Version Raw CPE
schneider-electric interactive_graphical_scada_system_data_collector <= 15.0.0.21320 cpe:2.3:a:schneider-electric:interactive_graphical_scada_system_data_collector:*:*:*:*:*:*:*:*

References for CVE-2021-22823

cvelogic Threat Intelligence