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CVE-2021-43835

23
FAUCET Score

CVE-2021-43835 is a privilege escalation vulnerability affecting Sulu, an open-source PHP content management system. Authenticated users with access to the admin UI could exploit an API endpoint to grant themselves elevated permissions. This vulnerability carries a CVSS score of 7.2 (HIGH), indicating a network-based attack with low complexity that can lead to high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0.0, < 2.2.18CPE matchmatch criteria
cpe:2.3:a:sulu:sulu:*:*:*:*:*:*:*:*
>= 2.3.0, < 2.3.8CPE matchmatch criteria
cpe:2.3:a:sulu:sulu:*:*:*:*:*:*:*:*
2.4.0CPE matchmatch criteria
cpe:2.3:a:sulu:sulu:2.4.0:rc1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.13%
Probability of exploitation in next 30 days
EPSS Percentile
63.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0113 is in the 53rd percentile among its peer group of 5,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

composerpatch availablevia ghsa
Product: sulu/suluFixed in: 2.2.18
composerpatch availablevia ghsa
Product: sulu/suluFixed in: 2.3.8
composerpatch availablevia ghsa
Product: sulu/suluFixed in: 2.4.0
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-84px-q68r-2fc9high

Privilege escalation in the Sulu Admin panel

Dec 15, 2021

References

github.com / sulu/sulu/commit/30bf8b5a4f83b6f2171a696011757d095edaa28a
PatchThird Party Advisory
github.com / sulu/sulu/security/advisories/GHSA-84px-q68r-2fc9
Third Party Advisory