CVE-2023-28343

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2023-03-14. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 85%
CISA-KEV: Not listedEPSS: 85%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

OS command injection affects Altenergy Power Control Software C1.2.5 via shell metacharacters in the index.php/management/set_timezone timezone parameter, because of set_timezone in models/management_model.php.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
78(Track)
EG Risk 78/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation85% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
99.7%
KEV
Not listed

Published

March 14, 2023

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated Jun 11, 2026
No patch confirmed yet.
generic

Disclosures/apesystems/os_command_injection.md at main · ahmedalroky/Disclosures · GitHub

https://github.com/ahmedalroky/Disclosures/blob/main/apesystems/os_command_injection.md
generic

APsystems | The global leader in multi-platform MLPE technology -

https://apsystems.com

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 8× in last 7d / 18× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-24 14:15 UTCEPSS rescore
  2. 2026-07-23 02:20 UTCEG score recompute
  3. 2026-07-22 23:08 UTCEG score recompute
  4. 2026-07-22 14:06 UTCEPSS rescore
  5. 2026-07-22 14:06 UTCEPSS rescore
  6. 2026-07-21 15:23 UTCEPSS rescore
  7. 2026-07-19 02:27 UTCEPSS rescore
  8. 2026-07-19 02:27 UTCEPSS rescore
  9. 2026-07-15 16:56 UTCEPSS rescore
  10. 2026-07-15 16:56 UTCEPSS rescore
  11. 2026-07-13 06:11 UTCEPSS rescore
  12. 2026-07-13 06:11 UTCEPSS rescore
  13. 2026-07-09 19:08 UTCEPSS rescore
  14. 2026-07-09 19:08 UTCEPSS rescore
  15. 2026-07-02 16:59 UTCEPSS rescore
  16. 2026-06-28 04:54 UTCEPSS rescore
  17. 2026-06-25 13:48 UTCEPSS rescore
  18. 2026-06-25 13:48 UTCEPSS rescore
  19. 2026-06-23 21:31 UTCEPSS rescore
  20. 2026-06-23 21:31 UTCEPSS rescore
  21. 2026-06-17 17:51 UTCEPSS rescore
  22. 2026-06-17 17:51 UTCEPSS rescore
  23. 2026-06-15 17:47 UTCEPSS rescore
  24. 2026-06-05 22:46 UTCEPSS rescore
  25. 2026-06-05 22:46 UTCEPSS rescore
Show 13 more
  1. 2026-06-02 20:12 UTCEPSS rescore
  2. 2026-06-02 20:12 UTCEPSS rescore
  3. 2026-06-02 20:12 UTCEPSS rescore
  4. 2026-06-01 13:51 UTCEPSS rescore
  5. 2026-05-31 00:15 UTCEPSS rescore
  6. 2026-05-31 00:15 UTCEPSS rescore
  7. 2026-05-28 13:43 UTCEPSS rescore
  8. 2026-05-28 13:43 UTCEPSS rescore
  9. 2026-05-26 07:18 UTCEPSS rescore
  10. 2026-05-26 07:18 UTCEPSS rescore
  11. 2026-05-26 07:17 UTCEPSS rescore
  12. 2026-05-25 05:14 UTCEG score recompute
  13. 2026-05-25 05:14 UTCGHSA enrichment

Publicly available exploits

(4 references)

Working exploit code is in the public domain (2 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-51325
    First seen Apr 8, 2023

    Altenergy Power Control Software C1.2.5 - OS command injection

    Open source ↗
  • GitHub PoCsuperzerosec/CVE-2023-28343
    First seen Mar 23, 2023

    CVE-2023-28343 POC exploit

    Open source ↗
  • GitHub PoCgobysec/CVE-2023-28343
    First seen Mar 21, 2023

    Altenergy Power System Control Software set_timezone RCE Vulnerability (CVE-2023-28343)

    Open source ↗
  • Nucleihttp/cves/2023/CVE-2023-28343.yaml
    First seen Jan 1, 2023

    Altenergy Power Control Software C1.2.5 - Remote Command Injection

    Open source ↗

Frequently asked(5)

What is CVE-2023-28343?
CVE-2023-28343 is a critical vulnerability published on March 14, 2023. OS command injection affects Altenergy Power Control Software C1.2.5 via shell metacharacters in the index.php/management/settimezone timezone parameter, because of settimezone in models/management_model.php.
When was CVE-2023-28343 disclosed?
CVE-2023-28343 was first published in the National Vulnerability Database on March 14, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-28343 actively exploited?
CVE-2023-28343 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-28343?
CVE-2023-28343 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-28343?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-28343, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2023-28343

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