CVE-2020-29021 Scripting tag chars < > not filtered in input fields could cause Cross-Site Scripting (XSS)
Authenticated attackers can inject script tags into GateManager web UI input fields, leading to Cross-Site Scripting attacks.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-29021?
CVE-2020-29021 is a low-severity cross-site scripting vulnerability in Secomea GateManager, published on 8 Feb 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
A vulnerability in web UI input field of GateManager allows authenticated attacker to enter script tags that could cause XSS. This issue affects: GateManager all versions prior to 9.3.
Which versions are affected by CVE-2020-29021?
It affects 4 products.
Products include Secomea Gatemanager 4250 Firmware, Secomea Gatemanager 4260 Firmware, Secomea Gatemanager 8250 Firmware, Secomea Gatemanager 9250 Firmware.
How do I fix CVE-2020-29021?
No fix has been published for CVE-2020-29021 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2020-29021 being exploited?
There is no known exploitation of CVE-2020-29021 in the wild and no public exploit code.
Other vulnerabilities in Secomea GateManager
- CVE-2020-29026 Path traversal in GateManager
- CVE-2022-25787 GTA URLs issued by LMM WEB API may leak information
- CVE-2020-29031 Insecure Direct Object Reference in GateManager WebUI can cause privilege escalation
- CVE-2021-32010 Clients may connect to a GateManager with TLS 1.0
- CVE-2022-25782 Insufficient privilege checks on object access and updates.
Sources
Also known as GHSA-fjq4-gjv6-rcj2.