System	Score	Found at
epss	9e-05	https://api.first.org/data/v1/epss?cve=CVE-2021-29521
cvssv3.1	2.5	https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-cpu/PYSEC-2021-449.yaml
cvssv4	2.3	https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-cpu/PYSEC-2021-449.yaml
generic_textual	LOW	https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-cpu/PYSEC-2021-449.yaml
cvssv3.1	2.5	https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-gpu/PYSEC-2021-647.yaml
cvssv4	2.3	https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-gpu/PYSEC-2021-647.yaml
generic_textual	LOW	https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-gpu/PYSEC-2021-647.yaml
cvssv3.1	2.5	https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow/PYSEC-2021-158.yaml
cvssv4	2.3	https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow/PYSEC-2021-158.yaml
generic_textual	LOW	https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow/PYSEC-2021-158.yaml
cvssv3.1	2.5	https://github.com/tensorflow/tensorflow/commit/c57c0b9f3a4f8684f3489dd9a9ec627ad8b599f5
cvssv4	2.3	https://github.com/tensorflow/tensorflow/commit/c57c0b9f3a4f8684f3489dd9a9ec627ad8b599f5
generic_textual	LOW	https://github.com/tensorflow/tensorflow/commit/c57c0b9f3a4f8684f3489dd9a9ec627ad8b599f5
cvssv3.1	2.5	https://github.com/tensorflow/tensorflow/security/advisories/GHSA-hr84-fqvp-48mm
cvssv4	2.3	https://github.com/tensorflow/tensorflow/security/advisories/GHSA-hr84-fqvp-48mm
generic_textual	LOW	https://github.com/tensorflow/tensorflow/security/advisories/GHSA-hr84-fqvp-48mm
cvssv3.1	2.5	https://nvd.nist.gov/vuln/detail/CVE-2021-29521
cvssv4	2.3	https://nvd.nist.gov/vuln/detail/CVE-2021-29521
generic_textual	LOW	https://nvd.nist.gov/vuln/detail/CVE-2021-29521
archlinux	Critical	https://security.archlinux.org/AVG-1962

Reference id	Reference type	URL
		https://api.first.org/data/v1/epss?cve=CVE-2021-29521
		https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-cpu/PYSEC-2021-449.yaml
		https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-gpu/PYSEC-2021-647.yaml
		https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow/PYSEC-2021-158.yaml
		https://github.com/tensorflow/tensorflow/commit/c57c0b9f3a4f8684f3489dd9a9ec627ad8b599f5
		https://github.com/tensorflow/tensorflow/security/advisories/GHSA-hr84-fqvp-48mm
		https://nvd.nist.gov/vuln/detail/CVE-2021-29521
AVG-1962		https://security.archlinux.org/AVG-1962

No exploits are available.

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L Found at https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-cpu/PYSEC-2021-449.yaml

Attack Vector (AV)	Attack Complexity (AC)	Privileges Required (PR)	User Interaction (UI)	Scope (S)	Confidentiality Impact (C)	Integrity Impact (I)	Availability Impact (A)
network adjacent_network local physical	low high	none low high	none required	unchanged changed	high low none	high low none	high low none

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-cpu/PYSEC-2021-449.yaml

Attack Vector (AV)	Attack Complexity (AC)	Attack Requirements (AT)	Privileges Required (PR)	User Interaction (UI)	Vulnerable System Impact Confidentiality (VC)	Vulnerable System Impact Integrity (VI)	Vulnerable System Impact Availability (VA)	Subsequent System Impact Confidentiality (SC)	Subsequent System Impact Integrity (SI)	Subsequent System Impact Availability (SA)
network adjacent local physical	low high	none present	none low high	none passive active	high low none	high low none	high low none	high low none	high low none	high low none

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L Found at https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-gpu/PYSEC-2021-647.yaml

Attack Vector (AV)	Attack Complexity (AC)	Privileges Required (PR)	User Interaction (UI)	Scope (S)	Confidentiality Impact (C)	Integrity Impact (I)	Availability Impact (A)
network adjacent_network local physical	low high	none low high	none required	unchanged changed	high low none	high low none	high low none

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-gpu/PYSEC-2021-647.yaml

Attack Vector (AV)	Attack Complexity (AC)	Attack Requirements (AT)	Privileges Required (PR)	User Interaction (UI)	Vulnerable System Impact Confidentiality (VC)	Vulnerable System Impact Integrity (VI)	Vulnerable System Impact Availability (VA)	Subsequent System Impact Confidentiality (SC)	Subsequent System Impact Integrity (SI)	Subsequent System Impact Availability (SA)
network adjacent local physical	low high	none present	none low high	none passive active	high low none	high low none	high low none	high low none	high low none	high low none

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L Found at https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow/PYSEC-2021-158.yaml

Attack Vector (AV)	Attack Complexity (AC)	Privileges Required (PR)	User Interaction (UI)	Scope (S)	Confidentiality Impact (C)	Integrity Impact (I)	Availability Impact (A)
network adjacent_network local physical	low high	none low high	none required	unchanged changed	high low none	high low none	high low none

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow/PYSEC-2021-158.yaml

Attack Vector (AV)	Attack Complexity (AC)	Attack Requirements (AT)	Privileges Required (PR)	User Interaction (UI)	Vulnerable System Impact Confidentiality (VC)	Vulnerable System Impact Integrity (VI)	Vulnerable System Impact Availability (VA)	Subsequent System Impact Confidentiality (SC)	Subsequent System Impact Integrity (SI)	Subsequent System Impact Availability (SA)
network adjacent local physical	low high	none present	none low high	none passive active	high low none	high low none	high low none	high low none	high low none	high low none

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L Found at https://github.com/tensorflow/tensorflow/commit/c57c0b9f3a4f8684f3489dd9a9ec627ad8b599f5

Attack Vector (AV)	Attack Complexity (AC)	Privileges Required (PR)	User Interaction (UI)	Scope (S)	Confidentiality Impact (C)	Integrity Impact (I)	Availability Impact (A)
network adjacent_network local physical	low high	none low high	none required	unchanged changed	high low none	high low none	high low none

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Found at https://github.com/tensorflow/tensorflow/commit/c57c0b9f3a4f8684f3489dd9a9ec627ad8b599f5

Attack Vector (AV)	Attack Complexity (AC)	Attack Requirements (AT)	Privileges Required (PR)	User Interaction (UI)	Vulnerable System Impact Confidentiality (VC)	Vulnerable System Impact Integrity (VI)	Vulnerable System Impact Availability (VA)	Subsequent System Impact Confidentiality (SC)	Subsequent System Impact Integrity (SI)	Subsequent System Impact Availability (SA)
network adjacent local physical	low high	none present	none low high	none passive active	high low none	high low none	high low none	high low none	high low none	high low none

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L Found at https://github.com/tensorflow/tensorflow/security/advisories/GHSA-hr84-fqvp-48mm

Attack Vector (AV)	Attack Complexity (AC)	Privileges Required (PR)	User Interaction (UI)	Scope (S)	Confidentiality Impact (C)	Integrity Impact (I)	Availability Impact (A)
network adjacent_network local physical	low high	none low high	none required	unchanged changed	high low none	high low none	high low none

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Found at https://github.com/tensorflow/tensorflow/security/advisories/GHSA-hr84-fqvp-48mm

Attack Vector (AV)	Attack Complexity (AC)	Attack Requirements (AT)	Privileges Required (PR)	User Interaction (UI)	Vulnerable System Impact Confidentiality (VC)	Vulnerable System Impact Integrity (VI)	Vulnerable System Impact Availability (VA)	Subsequent System Impact Confidentiality (SC)	Subsequent System Impact Integrity (SI)	Subsequent System Impact Availability (SA)
network adjacent local physical	low high	none present	none low high	none passive active	high low none	high low none	high low none	high low none	high low none	high low none

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2021-29521

Attack Vector (AV)	Attack Complexity (AC)	Privileges Required (PR)	User Interaction (UI)	Scope (S)	Confidentiality Impact (C)	Integrity Impact (I)	Availability Impact (A)
network adjacent_network local physical	low high	none low high	none required	unchanged changed	high low none	high low none	high low none

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-29521

Attack Vector (AV)	Attack Complexity (AC)	Attack Requirements (AT)	Privileges Required (PR)	User Interaction (UI)	Vulnerable System Impact Confidentiality (VC)	Vulnerable System Impact Integrity (VI)	Vulnerable System Impact Availability (VA)	Subsequent System Impact Confidentiality (SC)	Subsequent System Impact Integrity (SI)	Subsequent System Impact Availability (SA)
network adjacent local physical	low high	none present	none low high	none passive active	high low none	high low none	high low none	high low none	high low none	high low none

Percentile	0.01068
EPSS Score	9e-05
Published At	May 30, 2026, 12:55 p.m.

Date	Actor	Action	Source	VulnerableCode Version
2026-05-30T19:35:59.338273+00:00	Arch Linux Importer	Import	https://security.archlinux.org/AVG-1962	38.6.0