CVE-2020-24916
CRITICAL
9.8
CVSS Score
Published: September 9, 2020 at 06:10 PM UTC
Updated: June 17, 2026 at 03:06 AM UTC
3 products affected across 3 vendorsDebian LinuxUbuntu LinuxYaws
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Severity
CRITICAL9.8
Exploit prediction
EPSS 17%
Description
CGI implementation in Yaws web server versions 1.81 to 2.0.7 is vulnerable to OS command injection.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Ubuntu Linux· Canonicalrubygems
95%Debian Linux· Debiandrupal
95%Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (7)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/erlyaws/yaws/commits/masterx_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/vulnbe/poc-yaws-cgi-shell-injectionMailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2020/09/msg00022.htmlx_refsource_MISCExploitThird Party AdvisoryVDB Entry
Source: [email protected]
https://packetstormsecurity.com/files/159106/Yaws-2.0.7-XML-Injection-Command-Injection.htmlVendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/4569-1/x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://vuln.be/post/yaws-xxe-and-shell-injections/Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2020/dsa-4773CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-78
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