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CRITICAL

CVE-2020-1693

CVSS v3

9.8

CRITICAL

EPSS Score

4.3 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • CVE-2020-1693 Red Hat Product Security1 known affected

    spacewalk: XML entity attacks on /rpc/api

    spacewalk as a component of Red Hat Satellite 5

Full record on NVD

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.

Technical details

Published
2020-02-17

Frequently asked questions

What is CVE-2020-1693?

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.

Is CVE-2020-1693 actively exploited?

Active exploitation of CVE-2020-1693 has not been confirmed. Its EPSS score was 4.3% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-1693?

CVE-2020-1693 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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