CVE-2022-28381

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-04-04. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
9.8
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 69%
CISA-KEV: Not listedEPSS: 69%CVSS: 9.8Exploit: NoneExposed: 0

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

Mediaserver.exe in ALLMediaServer 1.6 has a stack-based buffer overflow that allows remote attackers to execute arbitrary code via a long string to TCP port 888, a related issue to CVE-2017-17932.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
76(Track*)
EG Risk 76/100SSVC: 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%
Exploitation69% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
99.3%
KEV
Not listed

Published

April 3, 2022

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated Jun 8, 2026
No patch confirmed yet.
generic

GitHub - Matrix07ksa/ALLMediaServer-1.6-Buffer-Overflow · GitHub

https://github.com/Matrix07ksa/ALLMediaServer-1.6-Buffer-Overflow

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 23× 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
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  3. 2026-07-23 02:10 UTCEG score recompute
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  41. 2026-05-26 00:36 UTCEG score recompute
  42. 2026-05-26 00:36 UTCGHSA enrichment
  43. 2026-05-24 16:51 UTCEPSS rescore

Publicly available exploits

(1 reference)

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

  • Metasploitexploit/windows/misc/cve_2022_28381_allmediaserver_bof✓ verified
    First seen Apr 1, 2022

    ALLMediaServer 1.6 SEH Buffer Overflow

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2022-28381?
CVE-2022-28381 is a critical vulnerability published on April 3, 2022. Mediaserver.exe in ALLMediaServer 1.6 has a stack-based buffer overflow that allows remote attackers to execute arbitrary code via a long string to TCP port 888, a related issue to CVE-2017-17932.
When was CVE-2022-28381 disclosed?
CVE-2022-28381 was first published in the National Vulnerability Database on April 3, 2022, 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-2022-28381 actively exploited?
CVE-2022-28381 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-28381?
CVE-2022-28381 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2022-28381?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-28381, 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-2022-28381

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