CVE-2025-2746Kentico Xperience <= 13.0.172 Staging Sync Server Digest Password Authentication Bypass
- 9.8CriticalCVSS base score
- 74.1%Exploitation in 30 daysEPSS · top 0.5% of all CVEs
- YesKnown exploitedin CISA's KEV since 20 Oct 2025
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
An authentication bypass vulnerability in Kentico Xperience allows authentication bypass via the Staging Sync Server password handling of empty SHA1 usernames in digest authentication. Authentication bypass allows an attacker to control administrative objects.This issue affects Xperience through 13.0.172.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel Vulnerability.
- Added
- 20 Oct 2025
- Fix due (US federal)
- 10 Nov 2025
- Used by ransomware
- Not known
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 20 Oct 2025.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Nuclei template for it. 2 references of the record are tagged as an exploit. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits3
Nuclei templates1 template
- Kentico Xperience 13 CMS - Staging Service Authentication Bypass (WT-2025-0011) (Nuclei template) (opens in a new tab)
http/cves/2025/CVE-2025-2746.yamlSeverity critical
References tagged exploit2 references
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By VulnCheck
Published
- 7 months later
· 7 months later
Added to CISA KEV
Known exploited in the wild
- 4 months later
· 4 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulnCheckCNA (assigner) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 74.1% · top 0.5% of all CVEs (15 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
References
References5
- https://labs.watchtowr.com/bypassing-authentication-like-its-the-90s-pre-auth-rce-chain-s-in-kentico-xperience-cms/ (opens in a new tab)technical-descriptionexploit
- https://devnet.kentico.com/download/hotfixes (opens in a new tab)vendor-advisorypatch
- https://github.com/watchtowrlabs/kentico-xperience13-AuthBypass-wt-2025-0011 (opens in a new tab)exploit
- https://www.vulncheck.com/advisories/kentico-xperience-staging-sync-server-digest-password-authentication-bypass (opens in a new tab)third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-2746 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-8008 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-2746)Record last updated .