Vulnerability · Published Aug 31, 2021 · Assigned by CERTVDE
CVE-2021-34563In WirelessHART-Gateway versions 3.0.8 and 3.0.9 the HttpOnly flag is missing in a cookie which allows client-side javascript to modify it
Low 3.3
In plain English
A low-severity security flaw in WHA-GW-F2D2-0-AS- Z2-ETH from Phoenix Contact. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).
Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.2%top 84.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In PEPPERL+FUCHS WirelessHART-Gateway 3.0.8 and 3.0.9 the HttpOnly attribute is not set on a cookie. This allows the cookie's value to be read or set by client-side JavaScript.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Phoenix Contact | WHA-GW-F2D2-0-AS- Z2-ETH | 3.0.83.0.9 |
| Phoenix Contact | WHA-GW-F2D2-0-AS- Z2-ETH.EIP | 3.0.83.0.9 |
Weakness: CWE-1004 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
References
- https://cert.vde.com/en-us/advisories/vde-2021-027 x_refsource_CONFIRM