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ubuntucveUbuntu.comUB:CVE-2020-13941
HistoryAug 17, 2020 - 12:00 a.m.

CVE-2020-13941

2020-08-1700:00:00
ubuntu.com
ubuntu.com
10
cve-2020-13941
solr-14515
solr-14561
replication handler
http api commands
backup
restore
deletebackup
validation
read/write
apache solr
unix

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.006

Percentile

79.3%

Reported in SOLR-14515 (private) and fixed in SOLR-14561 (public), released
in Solr version 8.6.0. The Replication handler
(https://lucene.apache.org/solr/guide/8_6/index-replication.html#http-api-commands-for-the-replicationhandler)
allows commands backup, restore and deleteBackup. Each of these take a
location parameter, which was not validated, i.e you could read/write to
any location the solr user can access.

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.006

Percentile

79.3%