CVE-2020-11655
CWE-665Published: April 9, 2020· Updated: Jun 17, 2026
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.
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
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
News & Research Mentioning CVE-2020-11655
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 An update is available that replaces an outdated third-party component.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
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