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CVE-2024-23452

24
FAUCET Score

CVE-2024-23452 is a request smuggling vulnerability affecting Apache bRPC versions 0.9.5 through 1.7.0. It stems from the http_parser not adhering to RFC-7230, allowing an attacker to smuggle requests by manipulating Transfer-Encoding and Content-Length headers, particularly when a frontend server uses TE to parse requests. This vulnerability has a CVSS score of 7.5 (HIGH), indicating a network-exploitable flaw with low attack complexity and high impact on integrity, but no impact on confidentiality or availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.9.5, < 1.8.0CPE matchmatch criteria
cpe:2.3:a:apache:brpc:*:*:*:*:*:*:*:*

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:N/I:H/A:N

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

Exploit Intelligence

EPSS Score
1.64%
Probability of exploitation in next 30 days
EPSS Percentile
73.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0164 is in the 56th 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 (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / apache/brpc/pull/2518
Patch
github.com / apache/brpc/releases/tag/1.8.0
Release Notes
lists.apache.org / thread/kkvdpwyr2s2yt9qvvxfdzon012898vxd
Issue TrackingVendor Advisory
openwall.com / lists/oss-security/2024/02/08/1
Mailing ListThird Party Advisory