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CVE Record

CVE-2020-8013: permissions: chkstat sets unintended setuid/capabilities for mrsh and wodim

A UNIX Symbolic Link (Symlink) Following vulnerability in chkstat of SUSE Linux Enterprise Server 12, SUSE Linux Enterprise Server 15, SUSE Linux Enterprise Server 11 set permissions intended for specific binaries on other binaries because it erroneously followed symlinks. The symlinks can't be controlled by attackers on default systems, so exploitation is difficult. This issue affects: SUSE Linux Enterprise Server 12 permissions versions prior to 2015.09.28.1626-17.27.1. SUSE Linux Enterprise Server 15 permissions versions prior to 20181116-9.23.1. SUSE Linux Enterprise Server 11 permissions versions prior to 2013.1.7-0.6.12.1.

LowCVSS 2.2Not KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This is a low-severity SUSE Linux issue in chkstat, a permissions-management component. Because it followed symbolic links, it could apply special privileges intended for mrsh or wodim to the wrong binary. SUSE notes default systems do not let attackers control the relevant symlinks, making exploitation difficult. Treat it as patch hygiene, not emergency response. Exposure is limited to SUSE Linux Enterprise Server 11, 12, or 15 systems running vulnerable permissions package versions. The bundle does not identify other products. Default systems are harder to exploit because attackers cannot normally control the symlinks involved. Low priority for emergency response, but appropriate for normal Linux patch cycles. Focus first on multi-user SUSE systems or environments allowing local untrusted access. No source in the bundle supports active exploitation or remote attack urgency. Mitigation focus: Update the SUSE permissions package to the fixed vendor version for the deployed SLES release.; Prioritize affected systems where local untrusted users have shell or job execution access.; Check SUSE advisory and Bugzilla guidance before applying compensating controls..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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cwe · low confidence lookup

CWE-59: Exact CWE lookup

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cve · low confidence lookup

CVE-2020-8013 mapping review

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Vulnerability profileCVE Program record
Severity
Low
CVSS
2.2 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
2.2CVSS 3.1LowCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N0.81.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

2.2Low
CVSS 3.1 vector shape for CVE-2020-8013Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
SUSESUSE Linux Enterprise Server 12permissionsListed
SUSESUSE Linux Enterprise Server 15permissionsListed
SUSESUSE Linux Enterprise Server 11permissionsListed
Weakness

CWE details

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CWE-59 · source CWE mapping

Improper Link Resolution Before File Access ('Link Following')

Improper Link Resolution Before File Access ('Link Following') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.