Vulnerability Details : CVE-2021-31998
A Incorrect Default Permissions vulnerability in the packaging of inn of SUSE Linux Enterprise Server 11-SP3; openSUSE Backports SLE-15-SP2, openSUSE Leap 15.2 allows local attackers to escalate their privileges from the news user to root. This issue affects: SUSE Linux Enterprise Server 11-SP3 inn version inn-2.4.2-170.21.3.1 and prior versions. openSUSE Backports SLE-15-SP2 inn versions prior to 2.6.2. openSUSE Leap 15.2 inn versions prior to 2.6.2.
Products affected by CVE-2021-31998
- cpe:2.3:a:opensuse:inn:*:*:*:*:*:*:*:*
- cpe:2.3:a:opensuse:inn:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-31998
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-31998
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
6.8
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N |
2.5
|
4.2
|
SUSE | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-31998
-
During installation, installed file permissions are set to allow anyone to modify those files.Assigned by: meissner@suse.de (Primary)
References for CVE-2021-31998
-
https://bugzilla.suse.com/show_bug.cgi?id=1182321
Bug 1182321 – VUL-0: CVE-2021-31998: inn: %post calls user owned file, LPE to rootExploit;Issue Tracking;Vendor Advisory
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