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Exploited vulnerability · CISA KEV

Is CVE-2020-8657 exploited? Yes: in CISA KEV since 3 Nov 2021

Gociux · EyesOfNetwork · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2020-8657, EyesOfNetwork Use of Hard-Coded Credentials Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, 636 days after it was published. It affects EyesOfNetwork. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 3 Nov 2021
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due3 May 2022BOD 22-01 deadline

What it is

EyesOfNetwork contains a use of hard-coded credentials vulnerability, as it uses the same API key by default. Exploitation allows an attacker to calculate or guess the admin access token.

VendorEyesOfNetwork (2 exploited CVEs in KEV)
ProductEyesOfNetwork
VulnerabilityEyesOfNetwork Use of Hard-Coded Credentials Vulnerability
WeaknessCWE-798
Published6 Feb 2020
Added to KEV3 Nov 2021
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for EyesOfNetwork in your asset inventory, including appliances and cloud images. Stack check lists every exploited EyesOfNetwork CVE at once.
  2. Apply the fix. Apply updates per vendor instructions.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 6 Feb 2020.
  4. Get told next time. Email alerts when CISA adds a CVE for EyesOfNetwork.

Other exploited CVEs in EyesOfNetwork

References

Questions

Is CVE-2020-8657 being exploited?

Yes. CISA added CVE-2020-8657 to the Known Exploited Vulnerabilities catalog on 3 Nov 2021, which means there is reliable evidence of exploitation in the wild.

Is CVE-2020-8657 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2020-8657?

Apply updates per vendor instructions. Check EyesOfNetwork's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected EyesOfNetwork and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in November 2021 · EyesOfNetwork scorecard · act-now radar.

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