CVE-2021-20284
MEDIUM
5.5
CVSS Score
Published: March 26, 2021 at 04:39 PM UTC
Updated: June 17, 2026 at 03:33 AM UTC
3 products affected across 2 vendorsCloud BackupBinutilsONTAP Select Deploy administration utility
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Severity
MEDIUM5.5
Exploit prediction
EPSS 1%
Description
A flaw was found in GNU Binutils 2.35.1, where there is a heap-based buffer overflow in _bfd_elf_slurp_secondary_reloc_section in elf.c due to the number of symbols not calculated correctly. The highest threat from this vulnerability is to system availability.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Cloud Backup· NetAppdrupal
95%All versions
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (4)
x_refsource_MISCExploitIssue TrackingThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1937784Vendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202208-30x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20210521-0010/x_refsource_MISCExploitIssue TrackingThird Party Advisory
Source: [email protected]
https://sourceware.org/bugzilla/show_bug.cgi?id=26931CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-119CWE-787
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