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CVE-2023-5590

21
FAUCET Score

CVE-2023-5590 is a NULL Pointer Dereference vulnerability affecting Selenium versions prior to 4.14.0. With a CVSS score of 7.5 (High), this vulnerability can be exploited remotely without user interaction, leading to a denial of service. While no public exploits or active exploitation have been observed, and community discussion is minimal, organizations using affected Selenium versions should prioritize patching to mitigate potential disruption.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.14.0CPE matchmatch criteria
cpe:2.3:a:selenium:selenium:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.86%
Probability of exploitation in next 30 days
EPSS Percentile
54.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0086 is in the 30th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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 (3)

github_advisorypatch availablevia nvd_reference
View patch
nodejspatch availablevia llm_extracted
Fixed in: 5.4.3
redhatvendor investigatingvia redhat_api
Product: Red Hat Single Sign-On 7Fixed in: selenium

Vendor Advisories (2)

nodejsllm-nodejs-91bc25f14cc604adCRITICAL

Third-Party Package Updates in Splunk User Behavior Analytics (UBA) - July 2025

Jul 30, 2025
redhatCVE-2023-5590Moderate

selenium: potential null pointer access in CookieManager

Oct 16, 2023

References

github.com / seleniumhq/selenium/commit/023a0d52f106321838ab1c0997e76693f4dcbdf6
Patch
huntr.dev / bounties/e268cd68-4f34-49bd-878b-82b96dcc0c99
ExploitPatchThird Party Advisory