CVE-2021-3998

CVSS 7.5 HIGHEPSS 1.4%CWE-125

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.5EPSS 1.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

24 Aug 2022Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A flaw was found in glibc. The realpath() function can mistakenly return an unexpected value, potentially leading to information leakage and disclosure of sensitive data.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

n/a · glibc

References

https://access.redhat.com/security/cve/CVE-2021-3998 https://bugzilla.redhat.com/show_bug.cgi?id=2024633 https://security.netapp.com/advisory/ntap-20221020-0003/https://security-tracker.debian.org/tracker/CVE-2021-3998 https://sourceware.org/bugzilla/show_bug.cgi?id=28770 https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=84d2d0fe20bdf94feed82b21b4d7d136db471f03 https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=ee8d5e33adb284601c00c94687bc907e10aec9bb https://www.openwall.com/lists/oss-security/2022/01/24/4