Vulnerability Details : CVE-2021-26544
Livy server version 0.7.0-incubating (only) is vulnerable to a cross site scripting issue in the session name. A malicious user could use this flaw to access logs and results of other users' sessions and run jobs with their privileges. This issue is fixed in Livy 0.7.1-incubating.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-26544
- cpe:2.3:a:apache:livy:0.7.0-incubating:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-26544
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 41 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-26544
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST |
CWE ids for CVE-2021-26544
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- nvd@nist.gov (Primary)
- security@apache.org (Secondary)
References for CVE-2021-26544
-
https://lists.apache.org/thread.html/r2db14e7fd1e5ec2519e8828d43529bad623d75698cc7918af3a3f3ed%40%3Cuser.livy.apache.org%3E
CVE-2021-26544: Apache Livy (Incubating) is vulnerable to cross site scripting - Pony MailPatch;Vendor Advisory
-
https://github.com/apache/incubator-livy/commit/4d8a912699683b973eee76d4e91447d769a0cb0d
Add html escape to session name · apache/incubator-livy@4d8a912 · GitHubPatch;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2021/02/20/1
oss-security - CVE-2021-26544: Apache Livy (Incubating) is vulnerable to cross site scriptingMailing List;Patch;Third Party Advisory
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