CVE-2019-18860

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

4.99% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 92.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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

2020-03-20 20:32Z6 YR AGO

Last updated

2025-11-05 17:04Z11 MO AGO

Reserved

2019-11-11

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')Class
• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.2

Document digest

405768a35c50afa0f6d5861c067947d374ab4edaea0a60c17d663fdcc8e18776

• github.comhttps://github.com/squid-cache/squid/pull/504x_refsource_CONFIRM
• github.comhttps://github.com/squid-cache/squid/pull/505x_refsource_MISC
• lists.opensuse.orgopenSUSE-SU-2020:0623http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.htmlvendor-advisoryx_refsource_SUSE
• usn.ubuntu.comUSN-4356-1https://usn.ubuntu.com/4356-1/vendor-advisoryx_refsource_UBUNTU
• 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
• www.debian.orgDSA-4732https://www.debian.org/security/2020/dsa-4732vendor-advisoryx_refsource_DEBIAN
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2025/11/04/7
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2025/11/05/1
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2025/11/05/7