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Vulnerabilities

Vulnerability · CVE-2021-47801

Vianeos OctoPUS 5 contains a time-based blind SQL injection vulnerability in the 'login_user' parameter during authentication requests.

Published Jan 15, 2026 · catalog updated Jan 16, 2026 · Vianeos Vianeos OctoPUS

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2021-47801. EPSS is 0.38%. Act only if a listed version of Vianeos Vianeos OctoPUS is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.38%
Remediation
Vendor / distro source
Affected products
vendor Vianeos Vianeos OctoPUS > V5

Vianeos OctoPUS 5 contains a time-based blind SQL injection vulnerability in the 'login_user' parameter during authentication requests. Attackers can exploit this vulnerability by crafting malicious POST requests with specially constructed SQL payloads that trigger database sleep functions to extract information.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Vianeos Vianeos OctoPUS > V5> V5

How to fix CVE-2021-47801

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2021-47801. EPSS is 0.38%. Act only if a listed version of Vianeos Vianeos OctoPUS is installed.

Which versions are affected?

Compare what you have installed with Vianeos Vianeos OctoPUS > V5 > V5. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.38%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 15, 2026 · EUVD

    Detected

    Vianeos OctoPUS 5 contains a time-based blind SQL injection vulnerability in the 'login_user' parameter during authentication requests. Attackers can exploit this vulnerability by crafting malicious POST requests with specially constructed SQL payloads that trigger database sleep functions to extract information.

  2. Jan 16, 2026 · EUVD

    Updated

    Vianeos OctoPUS 5 contains a time-based blind SQL injection vulnerability in the 'login_user' parameter during authentication requests. Attackers can exploit this vulnerability by crafting malicious POST requests with specially constructed SQL payloads that trigger database sleep functions to extract information.

Sources

  • CVE.orgVulnerability recordCVE-2021-47801

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-47801

    30-day exploitation probability 0.38%

    first.org
  • EUVDVulnerability recordEUVD-2026-3010

    Vianeos OctoPUS 5 contains a time-based blind SQL injection vulnerability in the 'login_user' parameter during authentication requests. Attackers can exploit this vulnerability by crafting malicious POST requests with specially constructed SQL payloads that trigger database sleep

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 5, 2026
  • CVE.orgOct 30, 2026
  • EUVDOct 30, 2026