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CVE-2020-1693

CRITICAL
9.8
CVSS Score
Published: February 17, 2020 at 07:35 PM UTC
Updated: June 17, 2026 at 03:02 AM UTC
1 product affected across 1 vendorSpacewalk

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Severity
CRITICAL9.8
Exploit prediction
EPSS 4%

Description

A flaw was found in Spacewalk up to version 2.9 where it was vulnerable to XML internal entity attacks via the /rpc/api endpoint. An unauthenticated remote attacker could use this flaw to retrieve the content of certain files and trigger a denial of service, or in certain circumstances, execute arbitrary code on the Spacewalk server.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Spacewalk· Red Hat
95%
v < 2.9All spacewalk versions up 2.9
Affected range stops below 2.9, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_refsource_CONFIRMIssue TrackingVendor Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1693
x_refsource_MISCPatch
Source: [email protected]
https://github.com/spacewalkproject/spacewalk/commit/74e28ec61d916c42061ef4347121650a1c962b0c
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://zeroauth.ltd/blog/2020/02/18/proof-of-concept-exploit-for-cve-2020-1693-spacewalk/

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-611

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