CVE-2023-45858

HIGHPre-NVD 8.68.6—
EchelonGraph scoreHIGH confidence

Score 8.6 from GitHub Security Advisory (severity: HIGH) published 2026-09-14. a secondary CVSS source baseline 8.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
8.6EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.6Exploit: None knownExposed: 0

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

A directory traversal was identified in Paessler PRTG before 23.4.88.1429 that made it possible to read local files.

CVSS v3
8.6
EG Score
8.6(high)
EG Risk
54(Track)
EG Risk 54/100SSVC: 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
Severity86% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
50%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 14, 2026

Advisory Details (2)

Auto-updated Sep 14, 2026
No patch confirmed yet.
generic

What is the vulnerability fixed in PRTG 23.4.88.1429 about? | Paessler Knowledge Base

https://helpdesk.paessler.com/en/support/solutions/articles/76000076525-what-is-the-vulnerability-fixed-in-prtg-23-4-88-1429-about-
generic

PRTG Network Monitor - Version History

https://www.paessler.com/prtg/history/stable

Vendor Advisories for CVE-2023-45858(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 25× in last 7d / 25× 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. 2026-09-19 02:20 UTCEG score recompute
  2. 2026-09-19 02:19 UTCGHSA enrichment
  3. 2026-09-18 19:26 UTCEPSS rescore
  4. 2026-09-18 13:13 UTCGHSA enrichment
  5. 2026-09-18 00:07 UTCEG score recompute
  6. 2026-09-18 00:07 UTCGHSA enrichment
  7. 2026-09-17 19:25 UTCEPSS rescore
  8. 2026-09-17 11:01 UTCGHSA enrichment
  9. 2026-09-16 21:55 UTCEG score recompute
  10. 2026-09-16 21:55 UTCGHSA enrichment
  11. 2026-09-16 14:06 UTCEPSS rescore
  12. 2026-09-16 08:49 UTCEG score recompute
  13. 2026-09-16 08:49 UTCGHSA enrichment
  14. 2026-09-16 05:11 UTCEPSS rescore
  15. 2026-09-15 19:41 UTCGHSA enrichment
  16. 2026-09-15 06:34 UTCEG score recompute
  17. 2026-09-15 06:34 UTCGHSA enrichment
  18. 2026-09-15 03:08 UTCEPSS rescore
  19. 2026-09-14 17:27 UTCEG score recompute
  20. 2026-09-14 17:27 UTCGHSA enrichment
  21. 2026-09-14 16:20 UTCEG score recompute
  22. 2026-09-14 16:20 UTCGHSA enrichment
  23. 2026-09-14 06:20 UTCEG score recompute
  24. 2026-09-14 05:50 UTCEG score recompute
  25. 2026-09-14 05:49 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2023-45858?
CVE-2023-45858 is a high vulnerability published on September 14, 2026. A directory traversal was identified in Paessler PRTG before 23.4.88.1429 that made it possible to read local files.
When was CVE-2023-45858 disclosed?
CVE-2023-45858 was first published in the National Vulnerability Database on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-45858 actively exploited?
CVE-2023-45858 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 50.0% of all scored CVEs.
What is the CVSS score of CVE-2023-45858?
CVE-2023-45858 has a CVSS v3 base score of 8.6 (NVD).
How do I remediate CVE-2023-45858?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-45858, 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-2023-45858

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