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Background exploitation KEV catalog
CVE-2020-8816

Pi-Hole AdminLTE Remote Code Execution Vulnerability

Pi-hole Web v4.3.2 (aka AdminLTE) allows Remote Code Execution by privileged dashboard users via a crafted DHCP static lease.

CheckOps priority index
7.8/10 Patch within 7 days
Severity9.1
Probability7.8
Exploitation3/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 78.3% higher than 99.6% of CVEs
CVSS 3.0 9.1 AC:L/AV:N/A:H/C:H/I:H/PR:H/S:C
Exploited for 1,792 days 10 Dec 2021
CISA due date 10 Jun 2022 for US federal agencies

Exploitation probability EPSS · FIRST

05010026 Sep06 Oct16 Oct25 Oct04 Nov
EPSS probability (%)Percentile among all CVEs

Exploitation signals 3 / 5

  • KEV catalog (CISA)10 Dec 2021
  • Exploited in EUVD (ENISA)10 Dec 2021
  • Used by ransomwareno
  • EPSS above 10 %78.3%
  • No account, over the networkno

What to do

Fix

Apply the vendor’s fix as soon as it is available.

CISA guidance: Apply updates per vendor instructions.

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Affected products

AdminLTE
Weaknesses (CWE)
CWE-78

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

  1. Published

  2. Exploitation reported (ENISA)

  3. Added to the KEV catalog

  4. CISA remediation due date

  5. EPSS peak: 78.3%

References

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Sources: CISA KEV · ENISA EUVD · FIRST EPSS · OSV. Public data aggregated by CheckOps, updated automatically. Source texts remain the property of their authors. All exploited vulnerabilities