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CVE-2020-35176

In AWStats through 7.8, cgi-bin/awstats.pl?config= accepts a partial absolute pathname (omitting...

5.3 MediumFix available

In AWStats through 7.8, cgi-bin/awstats.pl?config= accepts a partial absolute pathname (omitting the initial /etc), even though it was intended to only read a file in the /etc/awstats/awstats.conf format. NOTE: this issue exists because of an incomplete fix for CVE-2017-1000501 and CVE-2020-29600.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

2.17%Up 1.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 5.3

In AWStats through 7.8, cgi-bin/awstats.pl?config= accepts a partial absolute pathname (omitting the initial /etc), even though it was intended to only read a file in the /etc/awstats/awstats.conf format. NOTE: this issue exists because of an incomplete fix for CVE-2017-1000501 and CVE-2020-29600.

Record
CVE-2020-35176
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness
CWE-22
Updated
2026-11-02
CVE List No score

In AWStats through 7.8, cgi-bin/awstats.pl?config= accepts a partial absolute pathname (omitting the initial /etc), even though it was intended to only read a file in the /etc/awstats/awstats.conf format. NOTE: this issue exists because of an incomplete fix for CVE-2017-1000501 and CVE-2020-29600.

Record
CVE-2020-35176
Updated
2026-11-02
EUVDEUVD-2020-22864 No score

In AWStats through 7.8, cgi-bin/awstats.pl?config= accepts a partial absolute pathname (omitting the initial /etc), even though it was intended to only read a file in the /etc/awstats/awstats.conf format. NOTE: this issue exists because of an incomplete fix for CVE-2017-1000501 and CVE-2020-29600.

Record
EUVD-2020-22864
Updated
2026-11-03
GitHub AdvisoriesGHSA-6hh4-7wc7-6vq9 5.3

In AWStats through 7.8, cgi-bin/awstats.pl?config= accepts a partial absolute pathname (omitting...

In AWStats through 7.8, cgi-bin/awstats.pl?config= accepts a partial absolute pathname (omitting the initial /etc), even though it was intended to only read a file in the /etc/awstats/awstats.conf format. NOTE: this issue exists because of an incomplete fix for CVE-2017-1000501 and CVE-2020-29600.

Record
GHSA-6hh4-7wc7-6vq9
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-22
Updated
2026-11-02
OSVALPINE-CVE-2020-35176 5.3

In AWStats through 7.8, cgi-bin/awstats.pl?config= accepts a partial absolute pathname (omitting the initial /etc), even though it was intended to only read a file in the /etc/awstats/awstats.conf format. NOTE: this issue exists because of an incomplete fix for CVE-2017-1000501 and CVE-2020-29600.

Record
ALPINE-CVE-2020-35176
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-03
OSV 5.3

In AWStats through 7.8, cgi-bin/awstats.pl?config= accepts a partial absolute pathname (omitting the initial /etc), even though it was intended to only read a file in the /etc/awstats/awstats.conf format. NOTE: this issue exists because of an incomplete fix for CVE-2017-1000501 and CVE-2020-29600.

Record
CVE-2020-35176
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVDEBIAN-CVE-2020-35176 5.3

In AWStats through 7.8, cgi-bin/awstats.pl?config= accepts a partial absolute pathname (omitting the initial /etc), even though it was intended to only read a file in the /etc/awstats/awstats.conf format. NOTE: this issue exists because of an incomplete fix for CVE-2017-1000501 and CVE-2020-29600.

Record
DEBIAN-CVE-2020-35176
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2020-35176 5.3

In AWStats through 7.8, cgi-bin/awstats.pl?config= accepts a partial absolute pathname (omitting the initial /etc), even though it was intended to only read a file in the /etc/awstats/awstats.conf format. NOTE: this issue exists because of an incomplete fix for CVE-2017-1000501 and CVE-2020-29600.

Record
UBUNTU-CVE-2020-35176
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVUSN-4953-1 No score

awstats vulnerabilities

Sean Boran discovered that AWStats incorrectly filtered certain parameters. A remote attacker could possibly use this issue to execute arbitrary code. (CVE-2020-29600)

It was discovered that AWStats incorrectly filtered certain parameters. A remote attacker could possibly use this issue to access sensitive information. (CVE-2020-35176)

Record
USN-4953-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
awstats
Alpine:v3.10
 before 7.8-r0
7.8-r0
awstats
Alpine:v3.11
 before 7.8-r0
7.8-r0
awstats
Alpine:v3.12
 before 7.8-r1
7.8-r1
awstats
Alpine:v3.13
 before 7.8-r1
7.8-r1
awstats
Alpine:v3.14
 before 7.8-r1
7.8-r1
awstats
Alpine:v3.15
 before 7.8-r1
7.8-r1
awstats
Alpine:v3.16
 before 7.8-r1
7.8-r1
awstats
Alpine:v3.17
 before 7.8-r1
7.8-r1
awstats
Alpine:v3.18
 before 7.8-r1
7.8-r1
awstats
Alpine:v3.19
 before 7.8-r1
7.8-r1
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Affected packages
PackageAffectedFixed
awstats
Alpine:v3.20
 before 7.8-r1
7.8-r1
awstats
Alpine:v3.21
 before 7.8-r1
7.8-r1
awstats
Alpine:v3.22
 before 7.8-r1
7.8-r1
awstats
Alpine:v3.23
 before 7.8-r1
7.8-r1
awstats
Alpine:v3.24
 before 7.8-r1
7.8-r1
awstats
Debian:12
 before 7.8-2
7.8-2
awstats
Debian:13
 before 7.8-2
7.8-2
awstats
Debian:14
 before 7.8-2
7.8-2
awstats
Debian:9
 before 7.6+dfsg-1+deb9u2, plus listed versions
7.6+dfsg-17.6+dfsg-1+deb9u1
7.6+dfsg-1+deb9u2
awstats
Ubuntu:Pro:16.04:LTS
 before 7.4+dfsg-1ubuntu0.4+esm1, plus listed versions
7.4+dfsg-17.4+dfsg-1ubuntu0.17.4+dfsg-1ubuntu0.27.4+dfsg-1ubuntu0.3
7.4+dfsg-1ubuntu0.4+esm1
awstats
Ubuntu:18.04:LTS
 before 7.6+dfsg-2ubuntu0.18.04.1, plus listed versions
7.6+dfsg-17.6+dfsg-1ubuntu27.6+dfsg-2
7.6+dfsg-2ubuntu0.18.04.1
awstats
Ubuntu:20.04:LTS
 before 7.6+dfsg-2ubuntu0.20.04.1, plus listed versions
7.6+dfsg-2
7.6+dfsg-2ubuntu0.20.04.1

History

History
RecordedChangedSources
affectedOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-35176 is a medium vulnerability (CVSS 5.3) in Awstats, published December 11, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.17%, the 82nd percentile. Fixed in awstats 7.8-r0.

References

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