How severe is CVE-2019-3688?

CVE-2019-3688 has a CVSS 3.x base score of 5.1, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2019-3688 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-3688?

CVE-2019-3688 primarily affects Suse Suse Linux Enterprise Server. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-3688?

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

When was CVE-2019-3688 published?

CVE-2019-3688 was published on 2019-10-07 and last updated on 2026-06-17.

CVE-2019-3688

CVE-2019-3688 is a medium-severity vulnerability in Suse Suse Linux Enterprise Server with a CVSS 3.x base score of 5.1. 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-276.

Key facts

Severity: Medium (CVSS 3.x base score 5.1)
CVSS v2: 6.6
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Suse Suse Linux Enterprise Server
Published: 2019-10-07
Last modified: 2026-06-17

Description

The /usr/sbin/pinger binary packaged with squid in SUSE Linux Enterprise Server 15 before and including version 4.8-5.8.1 and in SUSE Linux Enterprise Server 12 before and including 3.5.21-26.17.1 had squid:root, 0750 permissions. This allowed an attacker that compromissed the squid user to gain persistence by changing the binary

Frequently asked questions

What is CVE-2019-3688?: The /usr/sbin/pinger binary packaged with squid in SUSE Linux Enterprise Server 15 before and including version 4.8-5.8.1 and in SUSE Linux Enterprise Server 12 before and including 3.5.21-26.17.1 had squid:root, 0750 permissions. This allowed an attacker that compromissed the squid user to gain persistence by changing the binary
How severe is CVE-2019-3688?: CVE-2019-3688 has a CVSS 3.x base score of 5.1, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2019-3688 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3688?: CVE-2019-3688 primarily affects Suse Suse Linux Enterprise Server. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-3688?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-3688 published?: CVE-2019-3688 was published on 2019-10-07 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp1:*:*:ltss:*:*:*
cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp2:*:*:ltss:*:*:*
cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp3:*:*:ltss:*:*:*
cpe:2.3:o:suse:suse_linux_enterprise_server:15:-:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux_enterprise_server:15:sp1:*:*:*:*:*:*

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