CVE-2021-35042 [Critical] | SQL Injection in Django

CVE-2021-35042 is rated High Risk (68.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 44.37%, 99th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	90.90%	44.37%	-46.53%
2	2026-05-28	90.37%	90.90%	+0.53%
3	2026-05-17	—	90.37%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

90.90%

44.37%

-46.53%

2026-05-28

90.37%

90.90%

+0.53%

2026-05-17

—

90.37%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
9.8	3.1	CRITICAL	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	3.9	5.9	[email protected]
7.5	2.0	HIGH	`AV:N/AC:L/Au:N/C:P/I:P/A:P` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:N) No authentication is required. Confidentiality impact (C:P) Partial confidentiality impact. Integrity impact (I:P) Partial integrity impact. Availability impact (A:P) Partial availability impact.	10.0	6.4	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

9.8

3.1

CRITICAL

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

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

3.9

5.9

[email protected]

7.5

2.0

HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:P): Partial confidentiality impact.
Integrity impact (I:P): Partial integrity impact.
Availability impact (A:P): Partial availability impact.

10.0

6.4

[email protected]

OS Trackers for CVE-2021-35042

vendor	priority	summary	link
`alpine`	critical	CVE-2021-35042: 1 source package rows (py3-django); 7 state rows across 7 repos (3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 7, open 0.	https://security.alpinelinux.org/vuln/CVE-2021-35042
`debian`	unimportant	CVE-2021-35042 unimportant priority: Debian including 1 source packages (python-django), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2021-35042
`gentoo`	normal	CVE-2021-35042: 1 GLSA(s) (202509-03), 1 atom(s) (dev-python/django); latest impact normal.	https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2021-35042
`redhat`	high	—	https://access.redhat.com/security/cve/CVE-2021-35042
`ubuntu`	medium	CVE-2021-35042 medium priority: Ubuntu including 1 source packages (python-django), 9 status rows across 9 suites (bionic, focal, groovy, hirsute, impish, jammy, trusty, upstream, xenial): not-affected 9.	https://ubuntu.com/security/CVE-2021-35042

Affected software / configurations for CVE-2021-35042

Vendor	Product	Version	Raw CPE
djangoproject	django	>= 3.1, < 3.1.13	cpe:2.3:a:djangoproject:django::::::::
djangoproject	django	>= 3.2, < 3.2.5	cpe:2.3:a:djangoproject:django::::::::
fedoraproject	fedora	34	cpe:2.3:o:fedoraproject:fedora:34:::::::*

References for CVE-2021-35042

URL	Tags
https://docs.djangoproject.com/en/3.2/releases/security/	Patch Vendor Advisory
https://groups.google.com/forum/#%21forum/django-announce
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SS6NJTBYWOX6J7G4U3LUOILARJKWPQ5Y/
https://security.netapp.com/advisory/ntap-20210805-0008/	Third Party Advisory
https://www.djangoproject.com/weblog/2021/jul/01/security-releases/	Patch Vendor Advisory
https://www.openwall.com/lists/oss-security/2021/07/02/2	Mailing List Patch Third Party Advisory

URL

CVE-2021-35042

Exploit prediction scoring system (EPSS) score for CVE-2021-35042

Common vulnerability scoring system (CVSS) metrics for CVE-2021-35042

Weakness enumeration for CVE-2021-35042

GitHub Security Advisory for CVE-2021-35042

OS Trackers for CVE-2021-35042

Affected software / configurations for CVE-2021-35042

References for CVE-2021-35042