RCE in Yaws

CVE-2020-24916

CGI implementation in Yaws web server versions 1.81 to 2.0.7 is vulnerable to OS command injection.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.174 (96.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
  • cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
  • cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)

Frequently asked questions

What is CVE-2020-24916?
CVE-2020-24916 is a critical-severity vulnerability in Yaws, classified under OS Command Injection. CVSS score: 9.8/10. Published 2020-09-09.
How severe is CVE-2020-24916?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-24916 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.