CVE-2019-12523

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

4.30% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 90.7% of scored records. A rank, not a probability.

NVD base score

9.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-11-26 16:39Z6 YR AGO

Last updated

2024-08-04 23:24Z2 YR AGO

Reserved

2019-06-02

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

607a59e6865c2035f62daadc3a6022be9edfe889eaa5f7a30717da42fae21301

• lists.opensuse.orghttp://lists.opensuse.org/opensuse-security-announce/2019-11/msg00056.htmlx_refsource_CONFIRM
• www.squid-cache.orghttp://www.squid-cache.org/Advisories/SQUID-2019_8.txtx_refsource_CONFIRM
• bugzilla.suse.comhttps://bugzilla.suse.com/show_bug.cgi?id=1156329x_refsource_CONFIRM
• usn.ubuntu.comUSN-4213-1https://usn.ubuntu.com/4213-1/vendor-advisoryx_refsource_UBUNTU
• lists.fedoraproject.orgFEDORA-2019-0b16cbdd0ehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UEMOYTMCCFWK5NOXSXEIH5D2VGWVXR67/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2019-9538783033https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTM74TU2BSLT5B3H4F3UDW53672NVLMC/vendor-advisoryx_refsource_FEDORA
• www.debian.orgDSA-4682https://www.debian.org/security/2020/dsa-4682vendor-advisoryx_refsource_DEBIAN
• lists.debian.org[debian-lts-announce] 20200710 [SECURITY] [DLA 2278-1] squid3 security updatehttps://lists.debian.org/debian-lts-announce/2020/07/msg00009.htmlmailing-listx_refsource_MLIST
• usn.ubuntu.comUSN-4446-1https://usn.ubuntu.com/4446-1/vendor-advisoryx_refsource_UBUNTU