CVE-2020-35176
CVE-2020-35176 is a medium-severity vulnerability in Awstats with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (76th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Awstats
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2020-35176?
- 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.
- How severe is CVE-2020-35176?
- CVE-2020-35176 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2020-35176 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-35176?
- CVE-2020-35176 primarily affects Awstats. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-35176?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-35176 published?
- CVE-2020-35176 was published on 2020-12-12 and last updated on 2026-06-17.
References
- https://github.com/eldy/awstats/issues/195
- https://lists.debian.org/debian-lts-announce/2020/12/msg00035.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/47QZWKSRZYZFESYTLSW7A6KVKOOPL7IV/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BRHYCKLW5VPM6KP2WZW6DCCVHVBG7YCW/
Affected products (4)
- cpe:2.3:a:awstats:awstats:*:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
More vulnerabilities in Awstats
- CVE-2020-29600 — Critical (CVSS 9.8): In AWStats through 7.7, cgi-bin/awstats.pl?config= accepts an absolute pathname, even though it was intended to only…
- CVE-2017-1000501 — Critical (CVSS 9.8): Awstats version 7.6 and earlier is vulnerable to a path traversal flaw in the handling of the "config" and "migrate"…
- CVE-2025-63261 — High (CVSS 7.8): AWStats 8.0 is vulnerable to Command Injection via the open function
- CVE-2010-4368 — High (CVSS 7.5): awstats.cgi in AWStats before 7.0 on Windows accepts a configdir parameter in the URL, which allows remote attackers to…
- CVE-2010-4367 — High (CVSS 7.5): awstats.cgi in AWStats before 7.0 accepts a configdir parameter in the URL, which allows remote attackers to execute…
- CVE-2005-0363 — High (CVSS 7.5): awstats.pl in AWStats 4.0 and 6.2 allows remote attackers to execute arbitrary commands via shell metacharacters in the…
Other CWE-22 (Path Traversal) vulnerabilities
- CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
- CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
- CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
- CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
- CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
- CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…