SiteServer SSCMS Admin-Login CAPTCHA LoginController.Submit.cs LoginController.Submit excessive authentication
- Exploited
- No known exploitation
- Fix
- Fix or patch referenced
- Who is exposed
- Not reported
Do first: Apply the patch listed under Evidence.
- Last modified
- FIRST's estimate of the chance attackers exploit it in the next 30 days, updated daily.What do these mean? →
- 0.41% · 35th percentile
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 23/100 · provisional
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
SiteServer SSCMS, an open-source content management system, has a flaw in its admin login CAPTCHA handling on the LoginController.Submit function. An attacker can reach it remotely without logging in and use it to make excessive login attempts, which the system fails to restrict.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
Read the original description
A vulnerability was identified in SiteServer SSCMS up to 7.1.3/7.2.1/7.4.0. This issue affects the function LoginController.Submit of the file src/SSCMS.Web/Controllers/Admin/LoginController.Submit.cs of the component Admin-Login CAPTCHA. Such manipulation of the argument isForceLogoutAndLogin leads to improper restriction of excessive authentication attempts. It is possible to launch the attack remotely. A high complexity level is associated with this attack. The exploitability is assessed as difficult. The name of the patch is df3becb7ebb00a48435418a44fd08a459eb38ace. Applying a patch is advised to resolve this issue.
cve.now Index
- Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
- Exposure17/25No login or user action needed per the CVSS vector, reachable over the network without a login · Unknown: No advisory context yet
- Reach?/20Unknown. No tracked technology or package matched
- Severity6.3/10CVSS 6.3
- No patch0/5No signal
What would change the score
- Would score about 68 if added to CISA KEV
- Would score about 63 if CISA's SSVC rates exploitation active
- Would score about 28 if advisories confirm default setups are exposed
What to do
Apply the patch listed under Evidence.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- SiteServer SSCMS
7.0, 7.1, 7.1.0, 7.1.1, 7.1.2, 7.1.3, 7.2, 7.2.0, 7.2.1, 7.3, 7.4.0
Evidence 7
- Advisory
- Advisory
- Advisory
- Advisory
- Patch
Show all 7 sourcesShow fewer sources
- Patch
- Repository
Corrections
None so far.
Something wrong on this page? Report an error. Every fix is listed here.
Questions about CVE-2026-124575
Is CVE-2026-124575 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data
Which versions are affected by CVE-2026-124575?
SSCMS: versions 7.0, 7.1, 7.1.0, 7.1.1, 7.1.2 and 6 more.Source: cve.now feed data