Link following in Symantec Endpoint Protection
Priority LOW 35CWE-59Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Symantec Endpoint Protection, prior to 14.3, may not respect file permissions when writing to log files that are replaced by symbolic links, which can lead to a potential elevation of privilege.
Why it matters now
EPSS 0.00746 55th percentileScored 2026-11-07
Fix Fixed Symantec Endpoint Protection: 14.3
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Symantec Endpoint Protection | before 14.3 | 14.3 | Patch available | CNA |
- Symantec Endpoint Protection Vendor— Affected before 14.3 Fixed in 14.3 Patch available CNA
Remediation
- Fix · CNA Symantec Endpoint Protection Fixed in 14.3
Timeline
- 2026-10-02 Threatist record created from CVE-2020-5837
- 2026-10-03 Alias added: GHSA-qfhx-mfmg-3wfg
References
More Symantec Endpoint Protection vulnerabilities
- TI-2009-01353 The Intel LANDesk Common Base Agent (CBA) in Symantec Alert Management System 2 (AMS2)… CVSS 2.0HIGH 10.0
- TI-2009-01354 Multiple stack-based buffer overflows in IAO.EXE in the Intel Alert Originator Service in… CVSS 2.0HIGH 9.3
- TI-2016-02020 The AntiVirus Decomposer engine in Symantec Advanced Threat Protection (ATP); Symantec… CVSS 3.0HIGH 7.8
- TI-2012-01284 The ZIP file parser in AhnLab V3 Internet Security 2011.01.18.00, AVG Anti-Virus… CVSS 2.0MEDIUM 4.3
- TI-2012-01283 The Gzip file parser in AVG Anti-Virus 10.0.0.1190, Bitdefender 7.2, Command Antivirus… CVSS 2.0MEDIUM 4.3
- TI-2012-01281 The TAR file parser in AhnLab V3 Internet Security 2011.01.18.00, Avira AntiVir… CVSS 2.0MEDIUM 4.3
Sources
- CVE-2020-5837 · CVE Program
- CVE-2020-5837 · NVD
- FIRST EPSS
- GHSA-qfhx-mfmg-3wfg · GitHub Advisory Database · CC BY 4.0
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