CVE-2021-35956

EPSS 3.2%

Vexday Risk Score

23Low

SSVC decision (CISA)

Attend

PoC available → attend closely

Exploit maturity

Proof of concept

Popular PoC on GitHub (1 stars) — exploitation code widely available.

CVSS —EPSS 3.2%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

30 Jun 2021Published on NVD

01 Jul 2021Public PoC

Weaponization speed

1 daysto first PoC

Weaponized quickly — attackers prioritized this vulnerability. Patch urgently.

Recommendation: Plan a near-term fix — a public PoC already exists.

Stored cross-site scripting (XSS) in the embedded webserver of AKCP sensorProbe before SP480-20210624 enables remote authenticated attackers to introduce arbitrary JavaScript via the Sensor Description, Email (from/to/cc), System Name, and System Location fields.

Affected products

n/a · n/a

public PoCs found — 3

githubgithub.com/tcbutler320/CVE-2021-35956★ 1 cve_referencepacketstormsecurity.com/files/163343/AKCP-sensorProbe-SPX476-Cross-Site-Scripting.htmlunverified exploitdbwww.exploit-db.com/exploits/50080unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

http://packetstormsecurity.com/files/163343/AKCP-sensorProbe-SPX476-Cross-Site-Scripting.html https://tbutler.org/2021/06/28/cve-2021-35956 https://www.akcp.com/support-center/customer-login/sensor-probe-firmware-changelog/http://www.akcp.in.th/downloads/Firmwares/SP480-20210624.zip