Use of a weak cryptographic key in the signature verification process in WPS Office
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Kingsoft | WPS Office | unknown |
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| Vendor | Product | Versions |
|---|---|---|
| Kingsoft | Wps Office | — |
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-8443 | The use of a weak cryptographic key pair in the signature verification process in WPS Office (Kingsoft) on Windows allows an attacker who successfully recovered the private key to sign components. As older versions of WPS Office did not validate the update server's certificate, an Adversary-In-The-Middle attack was possible allowing updates to be hijacked. |
No CVSS v3.1
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.141% probability within 30 days)
| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| Description | The use of a weak cryptographic key pair in the signature verification process in WPS Office (Kingsoft) on Windows allows an attacker who successfully recovered the private key to sign components. As older versions of WPS Office did not validate the update server's certificate, an Adversary-In-The-Middle attack was possible allowing updates to be hijacked. | |
| Title | Use of a weak cryptographic key in the signature verification process in WPS Office | |
| Weaknesses | CWE-326 | |
| References |
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| Metrics |
cvssV4_0
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