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Vulnerability record · CVE-2019-10136 · published 2 July 2019

CVE-2019-10136: Redhat satellite improper verification of cryptographic signature vulnerability

Redhat · Satellite

It was found that Spacewalk, all versions through 2.9, did not safely compute client token checksums. An attacker with a valid, but expired, authenticated set of headers could move some digits around, artificially extending the session validity without modifying the checksum.

4.3 CVSS 3.0 Medium EPSS 0.58% · top 54.7% CWE-347 · Improper verification of cryptographic signature
4.3CVSS 3.0 base score, v2 4.0
0.58%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

It was found that Spacewalk, all versions through 2.9, did not safely compute client token checksums. An attacker with a valid, but expired, authenticated set of headers could move some digits around, artificially extending the session validity without modifying the checksum.

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/109029 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10136 Issue TrackingVendor Advisory
http://www.securityfocus.com/bid/109029 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10136 Issue TrackingVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2019-10136), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.