Vulnerability Details : CVE-2020-8920
An information leak vulnerability exists in Gerrit versions prior to 2.14.22, 2.15.21, 2.16.25, 3.0.15, 3.1.10, 3.2.5 where an overoptimization with the FilteredRepository wrapper skips the verification of access on All-Users repositories, allowing an attacker to get read access to all users' personal information associated with their accounts.
Vulnerability category: BypassGain privilege
Products affected by CVE-2020-8920
- cpe:2.3:a:google:gerrit:*:*:*:*:*:*:*:*
- cpe:2.3:a:google:gerrit:*:*:*:*:*:*:*:*
- cpe:2.3:a:google:gerrit:*:*:*:*:*:*:*:*
- cpe:2.3:a:google:gerrit:*:*:*:*:*:*:*:*
- cpe:2.3:a:google:gerrit:*:*:*:*:*:*:*:*
- cpe:2.3:a:google:gerrit:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-8920
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 20 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-8920
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
2.7
|
LOW | AV:A/AC:L/Au:S/C:P/I:N/A:N |
5.1
|
2.9
|
NIST | |
3.5
|
LOW | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
2.1
|
1.4
|
Google Inc. | |
3.5
|
LOW | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
2.1
|
1.4
|
NIST |
CWE ids for CVE-2020-8920
-
The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.Assigned by: cve-coordination@google.com (Secondary)
References for CVE-2020-8920
-
https://www.gerritcodereview.com/2.16.html#21625
Gerrit 2.16 Release | Gerrit Code ReviewRelease Notes;Vendor Advisory
-
https://www.gerritcodereview.com/2.15.html#21521
Gerrit 2.15 Release | Gerrit Code ReviewRelease Notes;Vendor Advisory
-
https://www.gerritcodereview.com/3.2.html#325
Gerrit 3.2.0 Release | Gerrit Code ReviewRelease Notes;Vendor Advisory
-
https://www.gerritcodereview.com/3.0.html#3014
Gerrit 3.0.0 Release | Gerrit Code ReviewRelease Notes;Vendor Advisory
-
https://www.gerritcodereview.com/3.1.html#3110
Gerrit 3.1.0 Release | Gerrit Code ReviewRelease Notes;Vendor Advisory
-
https://gerrit.googlesource.com/gerrit/+/45071d6977932bca5a1427c8abad24710fed2e33
45071d6977932bca5a1427c8abad24710fed2e33 - gerrit - Git at GoogleIssue Tracking;Patch;Vendor Advisory
-
https://www.gerritcodereview.com/2.14.html#21422
Gerrit 2.14 Release | Gerrit Code ReviewRelease Notes;Vendor Advisory
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