CVE-2020-17363
CVE-2020-17363 is a critical-severity vulnerability in Usvn with a CVSS 3.x base score of 9.9. 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-78.
Key facts
- Severity: Critical (CVSS 3.x base score 9.9)
- CVSS v2: 9.0
- EPSS exploit prediction: 4% (90th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-78
- Affected product: Usvn
- Published:
- Last modified:
Description
USVN (aka User-friendly SVN) before 1.0.9 allows remote code execution via shell metacharacters in the number_start or number_end parameter to LastHundredRequest (aka lasthundredrequestAction) in the Timeline module. NOTE: this may overlap CVE-2020-25069.
Frequently asked questions
- What is CVE-2020-17363?
- USVN (aka User-friendly SVN) before 1.0.9 allows remote code execution via shell metacharacters in the number_start or number_end parameter to LastHundredRequest (aka lasthundredrequestAction) in the Timeline module. NOTE: this may overlap CVE-2020-25069.
- How severe is CVE-2020-17363?
- CVE-2020-17363 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-17363 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-17363?
- CVE-2020-17363 affects Usvn. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-17363?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2020-17363 published?
- CVE-2020-17363 was published on 2020-12-31 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:usvn:usvn:*:*:*:*:*:*:*:*
More vulnerabilities in Usvn
- CVE-2020-25069 — Critical (CVSS 9.8): USVN (aka User-friendly SVN) before 1.0.10 allows attackers to execute arbitrary code in the commit view.
- CVE-2020-25070 — High (CVSS 8.8): USVN (aka User-friendly SVN) before 1.0.10 allows CSRF, related to the lack of the SameSite Strict feature.
- CVE-2018-0695 — Medium (CVSS 6.1): Cross-site scripting vulnerability in User-friendly SVN (USVN) Version 1.0.7 and earlier allows remote attackers to…
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