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CVE-2023-26756

25
FAUCET Score

CVE-2023-26756 describes a brute force vulnerability affecting the login page of Revive Adserver v5.4.1. This high-severity vulnerability (CVSS 7.5) allows unauthenticated attackers to remotely guess credentials with low attack complexity, potentially leading to unauthorized access and compromise of confidentiality. Despite the vendor's assertion of mitigation through rate limits and password quality, there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
5.4.1CPE matchmatch criteria
cpe:2.3:a:revive:adserver:5.4.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.15%
Probability of exploitation in next 30 days
EPSS Percentile
63.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0115 is in the 42nd 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

Remediation records are not available for this CVE.

References

seclists.org / fulldisclosure/2024/Apr/27
googleinformationsworld.blogspot.com / 2023/04/revive-adserver-541-vulnerable-to-brute.html
ExploitThird Party Advisory
esecforte.com / login-page-brute-force-attack
revive-adserver.com / security/response-to-cve-2023-26756