CVE-2021-20847 Cross-site scripting in Wi-Fi STATION SH-52A
Remote attackers can inject arbitrary scripts via the WebUI of the Wi-Fi STATION SH-52A, potentially compromising user sessions or device integrity.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-20847?
CVE-2021-20847 is a medium-severity cross-site scripting vulnerability in NTT DOCOMO, INC. Wi-Fi STATION SH-52A, published on 1 Dec 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Cross-site scripting vulnerability in Wi-Fi STATION SH-52A (38JP_1_11G, 38JP_1_11J, 38JP_1_11K, 38JP_1_11L, 38JP_1_26F, 38JP_1_26G, 38JP_1_26J, 38JP_2_03B, and 38JP_2_03C) allows a remote unauthenticated attacker to inject an arbitrary script via WebUI of the device.
Weakness: CWE-79
Which versions are affected by CVE-2021-20847?
It affects 1 product.
Products include Nttdocomo Wi-Fi Station Sh-52a Firmware.
How do I fix CVE-2021-20847?
No fix has been published for CVE-2021-20847 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-2021-20847 being exploited?
There is no known exploitation of CVE-2021-20847 in the wild and no public exploit code.
Sources
Also known as GHSA-5f3c-9rrr-9rp4.