CVSS 4.0
6.9 mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:PCVE-2026-126993
SiteServer SSCMS captcha inadequate encryption
Medium (6.9) in siteserver sscms.
A security flaw has been discovered in SiteServer SSCMS up to 7.2.2. Impacted is an unknown function of the file /api/v1/captcha. Performing a manipulation of the argument Value results in inadequate encryption strength. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
CVSS 3.1
5.3 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RC:C- OWASP Top 10
- A04:2025 Cryptographic Failures
- Published
- Assigned by
- VulDB (CNA)
- NVD analysis
- Not in the NVD yet
- Record from
- the CVE List, synced
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Affected
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| SiteServer SSCMS | 7.2.0 |
| SiteServer SSCMS | 7.2.1 |
| SiteServer SSCMS | 7.2.2 |
Attack patterns (CAPEC)
- CAPEC-20 Encryption Brute Forcing Likelihood: Low · Severity: Low
- CAPEC-112 Brute Force Severity: High
- CAPEC-192 Protocol Analysis Likelihood: Low · Severity: Low
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.