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CVE-2022-24775

20
FAUCET Score

CVE-2022-24775 is a high-severity vulnerability affecting guzzlehttp/psr7 versions prior to 1.8.4 and 2.1.1, as well as related Drupal components. It allows an unauthenticated attacker to inject new line characters into HTTP headers, potentially leading to HTTP response splitting or other header manipulation. While the CVSS score is 7.5 (HIGH), indicating a significant impact on integrity, there is no evidence of active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
>= 8.0.0, < 9.2.16CPE matchmatch criteria
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
>= 9.3.0, < 9.3.9CPE matchmatch criteria
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
< 1.8.4CPE matchmatch criteria
cpe:2.3:a:guzzlephp:psr-7:*:*:*:*:*:*:*:*
>= 2.0.0, < 2.1.1CPE matchmatch criteria
cpe:2.3:a:guzzlephp:psr-7:*:*:*:*:*:*:*:*

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
2.44%
Probability of exploitation in next 30 days
EPSS Percentile
82.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0244 is in the 69th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

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)

composerpatch availablevia ghsa
Product: guzzlehttp/psr7Fixed in: 1.8.4
composerpatch availablevia ghsa
Product: guzzlehttp/psr7Fixed in: 2.1.1
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-q7rv-6hp3-vh96medium

Improper Input Validation in guzzlehttp/psr7

Mar 25, 2022

References

github.com / guzzle/psr7/pull/485/commits/e55afaa3fc138c89adf3b55a8ba20dc60d17f1f1
PatchThird Party Advisory
github.com / guzzle/psr7/pull/486/commits/9a96d9db668b485361ed9de7b5bf1e54895df1dc
PatchThird Party Advisory
github.com / guzzle/psr7/security/advisories/GHSA-q7rv-6hp3-vh96
Third Party Advisory
drupal.org / sa-core-2022-006
PatchThird Party Advisory