CVE-2021-45886
Anti-CSRF tokens are globally valid, making the web application vulnerable to a weakened version of CSRF, where an arbitrary token of a low-privileged user (such as operator) can be used to confirm actions of higher-privileged ones (such as xpadmin).
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in PONTON X/P Messenger before 3.11.2. Anti-CSRF tokens are globally valid, making the web application vulnerable to a weakened version of CSRF, where an arbitrary token of a low-privileged user (such as operator) can be used to confirm actions of higher-privileged ones (such as xpadmin).
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.56% probability · 45th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-352
- Affected
- ponton/x\/p messenger
- Source
- cve@mitre.org
References
- https://www.ponton.de/products/xpmessenger/Product, Vendor Advisory
- https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-080.txtExploit, Release Notes, Third Party Advisory
- https://www.ponton.de/products/xpmessenger/Product, Vendor Advisory
- https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-080.txtExploit, Release Notes, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.