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CVE-2020-5283

Published: 3 April 2020

ViewVC before versions 1.1.28 and 1.2.1 has a XSS vulnerability in CVS show_subdir_lastmod support. The impact of this vulnerability is mitigated by the need for an attacker to have commit privileges to a CVS repository exposed by an otherwise trusted ViewVC instance that also has the `show_subdir_lastmod` feature enabled. The attack vector involves files with unsafe names (names that, when embedded into an HTML stream, would cause the browser to run unwanted code), which themselves can be challenging to create. This vulnerability is patched in versions 1.2.1 and 1.1.28.

Priority

Medium

Cvss 3 Severity Score

3.5

Score breakdown

Status

Package Release Status
viewvc
Launchpad, Ubuntu, Debian
bionic Needed

eoan Ignored
(end of life)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

noble Does not exist

trusty Does not exist

upstream
Released (1.2.1, 1.1.28)
xenial Needed

Severity score breakdown

Parameter Value
Base score 3.5
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Scope Unchanged
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N