CVE-2023-28897

MEDIUMNVD 4.04.0—
EchelonGraph scoreMEDIUM confidence

Score 4.0 from GitHub Security Advisory published 2024-01-12. NVD baseline CVSS 4.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
4.0EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.0Exploit: None knownExposed: 0

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

The secret value used for access to critical UDS services of the MIB3 infotainment is hardcoded in the firmware.

Vulnerability discovered on Škoda Superb III (3V3) - 2.0 TDI manufactured in 2022.

CVSS v3
4.0
EG Score
4.0(medium)
EG Risk
18(Track)
EG Risk 18/100SSVC: 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
Severity40% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
24%
KEV
Not listed

Published

January 12, 2024

Last Modified

November 21, 2024

References (2)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 47× 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.

Showing the most recent 100 of 113 total refreshes for this CVE.

  1. 2026-07-28 15:34 UTCEPSS rescore
  2. 2026-07-28 15:34 UTCEPSS rescore
  3. 2026-07-27 14:10 UTCEPSS rescore
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  10. 2026-07-23 02:21 UTCEG score recompute
  11. 2026-07-22 23:09 UTCEG score recompute
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  48. 2026-06-14 23:16 UTCEPSS rescore
  49. 2026-06-13 22:59 UTCEPSS rescore
  50. 2026-06-13 22:59 UTCEPSS rescore
  51. 2026-06-12 23:10 UTCEPSS rescore
  52. 2026-06-11 13:59 UTCEPSS rescore
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  58. 2026-06-07 15:23 UTCEPSS rescore
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  60. 2026-06-06 13:46 UTCEPSS rescore
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  74. 2026-05-31 22:29 UTCEPSS rescore
  75. 2026-05-31 00:15 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2023-28897?
CVE-2023-28897 is a medium vulnerability published on January 12, 2024. The secret value used for access to critical UDS services of the MIB3 infotainment is hardcoded in the firmware. Vulnerability discovered on Škoda Superb III (3V3) - 2.0 TDI manufactured in 2022.
When was CVE-2023-28897 disclosed?
CVE-2023-28897 was first published in the National Vulnerability Database on January 12, 2024, 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-2023-28897 actively exploited?
CVE-2023-28897 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 76.5% of all scored CVEs.
What is the CVSS score of CVE-2023-28897?
CVE-2023-28897 has a CVSS v3 base score of 4.0 (NVD).
How do I remediate CVE-2023-28897?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-28897, 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.

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