How severe is CVE-2017-15638?

CVE-2017-15638 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.

Is CVE-2017-15638 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-15638?

CVE-2017-15638 affects Suse Susefirewall2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-15638?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-15638 published?

CVE-2017-15638 was published on 2017-11-10 and last updated on 2026-06-17.

CVE-2017-15638

CVE-2017-15638 is a medium-severity vulnerability in Suse Susefirewall2 with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.4
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Suse Susefirewall2
Published: 2017-11-10
Last modified: 2026-06-17

Description

The SuSEfirewall2 package before 3.6.312-2.13.1 in SUSE Linux Enterprise (SLE) Desktop 12 SP2, Server 12 SP2, and Server for Raspberry Pi 12 SP2; before 3.6.312.333-3.10.1 in SLE Desktop 12 SP3 and Server 12 SP3; before 3.6_SVNr208-2.18.3.1 in SLE Server 11 SP4; before 3.6.312-5.9.1 in openSUSE Leap 42.2; and before 3.6.312.333-7.1 in openSUSE Leap 42.3 might allow remote attackers to bypass intended access restrictions on the portmap service by leveraging a missing source net restriction for _rpc_ services.

Frequently asked questions

What is CVE-2017-15638?: The SuSEfirewall2 package before 3.6.312-2.13.1 in SUSE Linux Enterprise (SLE) Desktop 12 SP2, Server 12 SP2, and Server for Raspberry Pi 12 SP2; before 3.6.312.333-3.10.1 in SLE Desktop 12 SP3 and Server 12 SP3; before 3.6_SVNr208-2.18.3.1 in SLE Server 11 SP4; before 3.6.312-5.9.1 in openSUSE Leap 42.2; and before 3.6.312.333-7.1 in openSUSE Leap 42.3 might allow remote attackers to bypass intended access restrictions on the portmap service by leveraging a missing source net restriction for _rpc_ services.
How severe is CVE-2017-15638?: CVE-2017-15638 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.
Is CVE-2017-15638 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-15638?: CVE-2017-15638 affects Suse Susefirewall2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-15638?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-15638 published?: CVE-2017-15638 was published on 2017-11-10 and last updated on 2026-06-17.

References

http://lists.opensuse.org/opensuse-updates/2017-11/msg00014.html

Affected products (1)

cpe:2.3:a:suse:susefirewall2:-:*:*:*:*:*:*:*