CVEvulnerability
CVE-2021-29221
7.0 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-04-09
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.2 MEDIUM — AV:L/AC:H/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-426
Description
A local privilege escalation vulnerability was discovered in Erlang/OTP prior to version 23.2.3. By adding files to an existing installation's directory, a local attacker could hijack accounts of other users running Erlang programs or possibly coerce a service running with "erlsrv.exe" to execute arbitrary code as Local System. This can occur only under specific conditions on Windows with unsafe filesystem permissions.
Affected configurations
• erlang erlang\/otp (< 23.2.3)
Related
Weakness · CWE (1)
- CWE-426 Untrusted Search Path weakness
References
- https://deepsurface.com/deepsurface-security-advisory-local-privilege-escalation-in-erlang-on-windows-cve-2021-29221/ Exploit, Third Party Advisory
- https://github.com/erlang/otp/releases/tag/OTP-23.2.3 Third Party Advisory
- https://deepsurface.com/deepsurface-security-advisory-local-privilege-escalation-in-erlang-on-windows-cve-2021-29221/ Exploit, Third Party Advisory
- https://github.com/erlang/otp/releases/tag/OTP-23.2.3 Third Party Advisory