HOMEVULNERABILITIESCVE-2020-11655
HIGH

CVE-2020-11655

CWE-665Published: April 9, 2020· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

SQLite through 3.31.1 allows attackers to cause a denial of service (segmentation fault) via a malformed window-function query because the AggInfo object's initialization is mishandled.

NVD Source

Technical Analysis

CVE-2020-11655 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

Canonical1 product(s)
ubuntu linux
Debian1 product(s)
debian linux
netapp1 product(s)
ontap select deploy administration utility
Oracle12 product(s)
communications element managercommunications network charging and controlcommunications session report managercommunications session route managerenterprise manager ops centerhyperion infrastructure technologyinstantis enterprisetrackmysqlmysql workbenchoutside in technologyzfs storage appliance kitcommunications messaging server
siemens1 product(s)
sinec infrastructure network services
sqlite1 product(s)
sqlite
tenable1 product(s)
tenable.sc
Source: NVD CPE · 27 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

News & Research Mentioning CVE-2020-11655

ABB B&R Automation Studio
CISA Alerts· May 21, 2026

View CSAF Summary ABB became aware of vulnerability in the product versions listed as affected in the advisory. An update is available that replaces an outdated third-party component. Although no successful exploitation was observed during testing of the affected B&R products, the identified vulnerabilities could present potential attack vectors that might enable unauthorized access, data exposure, or remote code execution. The following versions of ABB B&R Automation Studio are affected: B&R Automation Studio <6.5, 6.5 (CVE-2025-6965, CVE-2025-3277, CVE-2023-7104, CVE-2022-35737, CVE-2020-15358, CVE-2020-13632, CVE-2020-13631, CVE-2020-13630, CVE-2020-13435, CVE-2020-13434, CVE-2020-11656, CVE-2020-11655, CVE-2019-19646, CVE-2019-19645, CVE-2019-845 [xlite_meta score:73 src:CISA Alerts xlite_fp:4bd9915ab1cbc0373abcc9a511995a7eda05ff04b973f92e9ad91fab560f97da]

All References (28)

Quick Facts

CVE IDCVE-2020-11655
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-665
CISA KEVNo
Affected7 vendor(s)
PublishedApr 9, 2020

Related CVEs (CWE-665)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2020-11655 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.