How severe is CVE-2018-1077?

CVE-2018-1077 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-1077 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1077?

CVE-2018-1077 primarily affects Redhat Spacewalk. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-1077?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-1077 published?

CVE-2018-1077 was published on 2018-03-14 and last updated on 2026-06-17.

CVE-2018-1077

CVE-2018-1077 is a high-severity vulnerability in Redhat Spacewalk with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-611.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Redhat Spacewalk
Published: 2018-03-14
Last modified: 2026-06-17

Description

Spacewalk 2.6 contains an API which has an XXE flaw allowing for the disclosure of potentially sensitive information from the server.

Frequently asked questions

What is CVE-2018-1077?: Spacewalk 2.6 contains an API which has an XXE flaw allowing for the disclosure of potentially sensitive information from the server.
How severe is CVE-2018-1077?: CVE-2018-1077 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-1077 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1077?: CVE-2018-1077 primarily affects Redhat Spacewalk. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-1077?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-1077 published?: CVE-2018-1077 was published on 2018-03-14 and last updated on 2026-06-17.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1555429

Affected products (2)

cpe:2.3:a:redhat:spacewalk:2.6:*:*:*:*:*:*:*
cpe:2.3:a:redhat:satellite:5.0:*:*:*:*:*:*:*

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