CVE-2016-20030Disclosure

LOWCVSS 9.3 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

ZKTeco ZKBioSecurity 3.0 contains a user enumeration vulnerability that allows unauthenticated attackers to discover valid usernames by submitting partial characters via the username parameter. Attackers can send requests to the authLoginAction!login.do script with varying username inputs to enumerate valid user accounts based on application responses.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-551

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Threat summary

  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 1 mentions (2026-03-15); latest day: 1
  • 2 total mentions across 2 days

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-03-15: 1Mentions · 2026-03-16: 1Technical Details · 2026-03-15: 1Technical Details · 2026-03-16: 103-1503-16
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
Full discourse2 posts
  • CVEFind.com@CveFindCom
    Disclosure

    [CVE-2016-20030: CRITICAL] Vulnerability in ZKTeco ZKBioSecurity 3.0 allows attackers to identify valid usernames through partial input, posing a risk to user account security.#cve,CVE-2016-20030,#cybersecurity https://cvefind.com/CVE-2016-20030

    Post summary

    The text announces a critical vulnerability (CVE-2016-20030) in ZKTeco ZKBioSecurity 3.0 that allows attackers to enumerate valid usernames via partial input.

    0000023
    601 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2016-20030 ZKTeco ZKBioSecurity 3.0 contains a user enumeration vulnerability that allows unauthenticated attackers to discover valid usernames by submitting partial characters … https://www.cve.org/CVERecord?id=CVE-2016-20030

    Post summary

    The text announces CVE-2016-20030 as a user enumeration flaw in ZKTeco ZKBioSecurity 3.0, allowing unauthenticated actors to learn valid usernames; no exploitation evidence, PoC, or patch information is provided.

    0000088
    56.7K followersView on X

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