CVE-2021-33904

EPSS 10.1%

Vexday Risk Score

43Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

Exploit maturity

Functional exploit

Automatable exploit available (Nuclei/Metasploit).

CVSS —EPSS 10.1%KEV nãoPoC públicaNuclei simMetasploit —Patch —

Lifecycle

07 Jun 2021Published on NVD

11 Jun 2021Public PoC

Weaponization speed

4 daysto first PoC

Weaponized quickly — attackers prioritized this vulnerability. Patch urgently.

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

In Accela Civic Platform through 21.1, the security/hostSignon.do parameter servProvCode is vulnerable to XSS. NOTE: The vendor states "there are configurable security flags and we are unable to reproduce them with the available information.

Affected products

n/a · n/a

public PoCs found — 2

cve_referencepacketstormsecurity.com/files/163093/Accela-Civic-Platorm-21.1-Cross-Site-Scripting.htmlunverified exploitdbwww.exploit-db.com/exploits/49980unverified

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

References

http://packetstormsecurity.com/files/163093/Accela-Civic-Platorm-21.1-Cross-Site-Scripting.html https://gist.github.com/0xx7/3d934939d7122fe23db11bc48eda9d21