Vulnerability in Squid-Cache Squid
CVE-2019-18860
Squid before 4.9, when certain web browsers are used, mishandles HTML in the host (aka hostname) parameter to cachemgr.cgi.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.055 (92.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.055 · newest: 0.055 · change: 0.000
Affected products
- Squid-Cache Squid
- Canonical Ubuntu Linux — versions 16.04, 18.04, 19.10
- Debian Linux — versions 9.0, 10.0
- openSUSE Leap — versions 15.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/squid-cache/squid/pull/504 (Patch, Third Party Advisory)
- github.com/squid-cache/squid/pull/505 (Patch, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html (vendor-advisory, Mailing List, Third Party Advisory)
- usn.ubuntu.com/4356-1/ (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/07/msg00009.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2020/dsa-4732 (vendor-advisory, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2019-18860?
- CVE-2019-18860 is a medium-severity vulnerability in Squid-Cache Squid, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.1/10. Published 2020-03-20.
- How severe is CVE-2019-18860?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2019-18860 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.