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PRIOn knowledge basePRION:CVE-2020-29556

HistoryMar 15, 2021 - 6:15 p.m.

Path traversal

2021-03-1518:15:00

PRIOn knowledge base

www.prio-n.com

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.4 Medium

AI Score

Confidence

High

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

24.5%

JSON

The Backup functionality in Grav CMS through 1.7.0-rc.17 allows an authenticated attacker to read arbitrary local files on the underlying server by exploiting a path-traversal technique. (This vulnerability can also be exploited by an unauthenticated attacker due to a lack of CSRF protection.)

CPENameOperatorVersion
grav_cmseq1.7.0 beta8
grav_cmseq1.7.0 beta9
grav_cmseq1.7.0 beta10
grav_cmseq1.7.0 rc1
grav_cmseq1.7.0 rc2
grav_cmseq1.7.0 rc3
grav_cmseq1.7.0 rc4
grav_cmseq1.7.0 rc5
grav_cmseq1.7.0 rc6
grav_cmseq1.7.0 rc7

Name	Operator	Version
grav_cms	eq	1.7.0 beta8
grav_cms	eq	1.7.0 beta9
grav_cms	eq	1.7.0 beta10
grav_cms	eq	1.7.0 rc1
grav_cms	eq	1.7.0 rc2
grav_cms	eq	1.7.0 rc3
grav_cms	eq	1.7.0 rc4
grav_cms	eq	1.7.0 rc5
grav_cms	eq	1.7.0 rc6
grav_cms	eq	1.7.0 rc7

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References

blog.bssi.fr/cve-2020-29553-cve-2020-29555-cve-2020-29556-multiple-vulnerabilities-within-cms-grav/

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.4 Medium

AI Score

Confidence

High

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

24.5%

JSON

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