CVE-2021-33544

HIGHNVD 7.29.0▲
EchelonGraph scoreMEDIUM confidence

Score elevated to 9.0 because EPSS predicts 96% probability of exploitation within the next 30 days (top 0.1% of all CVEs). NVD baseline CVSS 7.2 retained for reference. Confidence: see factors.

Triggered by: EPSS exploit prediction ≥85%
Sources: epss, ghsa, nvd
Weaponized
7.2
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 96%
CISA-KEV: Not listedEPSS: 96%CVSS: 7.2Exploit: NoneExposed: 0

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

Multiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to command injection, which may allow an attacker to remotely execute arbitrary code.

CVSS v3
7.2
EG Score
9.0(medium)
EG Risk
83(Track)
EG Risk 83/100SSVC: 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
Severity90% × 45%
Exploitation96% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
99.9%
KEV
Not listed

Published

September 13, 2021

Last Modified

November 21, 2024

References (4)

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 4× in last 7d / 7× 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. 2026-07-23 14:16 UTCEPSS rescore
  2. 2026-07-23 14:16 UTCEPSS rescore
  3. 2026-07-23 02:01 UTCEG score recompute
  4. 2026-07-22 22:48 UTCEG score recompute
  5. 2026-07-07 13:43 UTCEPSS rescore
  6. 2026-07-06 16:25 UTCEPSS rescore
  7. 2026-07-06 02:21 UTCEPSS rescore
  8. 2026-06-24 14:03 UTCEPSS rescore
  9. 2026-06-24 14:03 UTCEPSS rescore
  10. 2026-06-23 21:31 UTCEPSS rescore
  11. 2026-06-23 21:31 UTCEPSS rescore
  12. 2026-06-18 17:51 UTCEPSS rescore
  13. 2026-06-18 17:51 UTCEPSS rescore
  14. 2026-06-15 17:46 UTCEPSS rescore
  15. 2026-06-11 13:58 UTCEPSS rescore
  16. 2026-06-07 15:23 UTCEPSS rescore
  17. 2026-06-07 15:23 UTCEPSS rescore
  18. 2026-06-05 22:45 UTCEPSS rescore
  19. 2026-05-28 13:43 UTCEPSS rescore
  20. 2026-05-28 13:43 UTCEPSS rescore
  21. 2026-05-26 10:31 UTCEG score recompute
  22. 2026-05-26 10:31 UTCGHSA enrichment
  23. 2026-05-25 23:16 UTCOSV refresh

Publicly available exploits

(2 references)

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/linux/http/geutebruck_cmdinject_cve_2021_335xx✓ verified
    First seen Jul 8, 2021

    Geutebruck Multiple Remote Command Execution

    Open source ↗
  • Nucleihttp/cves/2021/CVE-2021-33544.yaml
    First seen Jan 1, 2021

    Geutebruck - Remote Command Injection

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2021-33544?
CVE-2021-33544 is a high vulnerability published on September 13, 2021. Multiple camera devices by UDP Technology, Geutebrück and other vendors are vulnerable to command injection, which may allow an attacker to remotely execute arbitrary code.
When was CVE-2021-33544 disclosed?
CVE-2021-33544 was first published in the National Vulnerability Database on September 13, 2021, 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-2021-33544 actively exploited?
CVE-2021-33544 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-33544?
CVE-2021-33544 has a CVSS v3 base score of 7.2 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
How do I remediate CVE-2021-33544?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-33544, 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

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