CVE-2021-3580

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Summary

CVECVE-2021-3580
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-08-05 21:15:12 UTC
Updated2026-10-14 10:17:45 UTC
DescriptionA flaw was found in the way nettle's RSA decryption functions handled specially crafted ciphertext. An attacker could use this flaw to provide a manipulated ciphertext leading to application crash and denial of service.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

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

Problem Types: CWE-20 | CWE-20 CWE-20

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 9.0 All All All
Application Netapp Ontap Select Deploy Administration Utility - All All All
Application Nettle Project Nettle All All All All
Operating System Redhat Enterprise Linux 7.0 All All All
Operating System Redhat Enterprise Linux 8.0 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Nettle affected nettle 3.7.3 Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified

References

ReferenceSourceLinkTags
cert-portal.siemens.com/productcert/html/ssa-398330.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
1967983 – (CVE-2021-3580) CVE-2021-3580 nettle: Remote crash in RSA decryption via manipulated ciphertext af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Patch, Third Party Advisory
CVE-2021-3580 Nettle Vulnerability in NetApp Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com Third Party Advisory
Nettle: Denial of Service (GLSA 202401-24) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
[SECURITY] [DLA 2760-1] nettle security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159515 Oracle Enterprise Linux Security Update for gnutls and nettle (ELSA-2021-4451)
  • 159717 Oracle Enterprise Linux Security Update for gnutls (ELSA-2022-9221)
  • 178677 Debian Security Update for nettle (DSA 4933-1)
  • 178806 Debian Security Update for nettle (DLA 2760-1)
  • 179899 Debian Security Update for nettle (CVE-2021-3580)
  • 198408 Ubuntu Security Notification for Nettle vulnerabilities (USN-4990-1)
  • 239785 Red Hat Update for gnutls and nettle security (RHSA-2021:4451)
  • 296065 Oracle Solaris 11.4 Support Repository Update (SRU) 39.107.1 Missing (CPUOCT2021)
  • 500421 Alpine Linux Security Update for nettle
  • 501442 Alpine Linux Security Update for nettle
  • 504180 Alpine Linux Security Update for nettle
  • 591406 Siemens SIMATIC S7-1500 CPU GNU/Linux subsystem Multiple Vulnerabilities (SSB-439005, ICSA-22-104-13)
  • 670653 EulerOS Security Update for nettle (EulerOS-SA-2021-2411)
  • 670717 EulerOS Security Update for nettle (EulerOS-SA-2021-2475)
  • 670754 EulerOS Security Update for nettle (EulerOS-SA-2021-2512)
  • 670778 EulerOS Security Update for nettle (EulerOS-SA-2021-2536)
  • 670802 EulerOS Security Update for nettle (EulerOS-SA-2021-2560)
  • 671017 EulerOS Security Update for nettle (EulerOS-SA-2021-2598)
  • 710842 Gentoo Linux Nettle Denial of Service (DoS) Vulnerability (GLSA 202401-24)
  • 750700 SUSE Enterprise Linux Security Update for libnettle (SUSE-SU-2021:2135-1)
  • 750701 SUSE Enterprise Linux Security Update for libnettle (SUSE-SU-2021:2143-1)
  • 750717 OpenSUSE Security Update for libnettle (openSUSE-SU-2021:0906-1)
  • 750784 OpenSUSE Security Update for libnettle (openSUSE-SU-2021:2143-1)
  • 900295 CBL-Mariner Linux Security Update for nettle 3.7.2
  • 901411 Common Base Linux Mariner (CBL-Mariner) Security Update for nettle (6741-1)
  • 902893 Common Base Linux Mariner (CBL-Mariner) Security Update for nettle (5124)
  • 940170 AlmaLinux Security Update for gnutls and nettle (ALSA-2021:4451)
  • 960167 Rocky Linux Security Update for gnutls and nettle (RLSA-2021:4451)

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