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Ubuntu 16.04 LTS : Apache Shiro vulnerabilities (USN-9061-1)

critical Nessus Plugin ID 381380

Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-9061-1 advisory.

 It was discovered that Apache Shiro incorrectly handled certain specially crafted requests when used with Spring dynamic controllers. A remote attacker could possibly use this issue to bypass authentication.
 (CVE-2020-1957, CVE-2020-11989)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected libshiro-java package.

See Also

https://ubuntu.com/security/notices/USN-9061-1

Plugin Details

Severity: Critical

ID: 381380

File Name: ubuntu_USN-9061-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 11/14/2026

Updated: 11/14/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.15

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2020-1957

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libshiro-java

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 11/11/2026

Vulnerability Publication Date: 3/25/2020

Reference Information

CVE: CVE-2020-11989, CVE-2020-1957

USN: 9061-1