CVE-2021-3326
No known exploitation. EPSS puts it in the 90th percentile. Fixed in xcp2410.
What to do
Find your product and version, then upgrade to the build on the right.
- Gnu GlibcAffected: ≤ 2.32.0Upgrade to: after 2.32.0Stated by: NVD
- Netapp E-series Santricity Os ControllerAffected: ≥ 11.0, ≤ 11.60.3Upgrade to: after 11.60.3Stated by: NVD
- Fujitsu M10-1 FirmwareAffected: < xcp2410Upgrade to: xcp2410Stated by: NVD
- Fujitsu M10-4 FirmwareAffected: < xcp2410Upgrade to: xcp2410Stated by: NVD
- Fujitsu M10-4s FirmwareAffected: < xcp2410Upgrade to: xcp2410Stated by: NVD
Versions as the sources state them. 11 more products have version data. Full version matrix after sign-in
What it is
From the CVE record
The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid input sequences in the ISO-2022-JP-3 encoding, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
3.8% chance of exploitation activity in the next 30 days, which ranks it in the 90th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
8 events over 2086 days, from the signal feeds we watch.
- Patch availablerecord updated
- OpenVAS check added
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
And 9 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Scored 7.5 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality NoneNo confidentiality impact
- Integrity NoneNo integrity impact
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
Watch the software you run.
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