Vulnerability in Arena Guild Wars 2
CVE-2020-27384
The Gw2-64.exe in Guild Wars 2 launcher version 106916 suffers from an elevation of privileges vulnerability which can be used by an "Authenticated User" to modify the existing executable file with a binary of his choice. The vulnerability exist due to the improper permissions, with the 'F' flag (Full Control) for 'Everyone' group, making the entire directory 'Guild Wars 2' and its files and sub-dirs world-writable.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (22.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Arena Guild Wars 2 — versions 106916
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/FreySolarEye/CVE/blob/master/Guild Wars 2 - Local Privilege Escalati… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-27384?
- CVE-2020-27384 is a high-severity vulnerability in Arena Guild Wars 2, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2021-06-09.
- How severe is CVE-2020-27384?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-27384 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.