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CVE-2022-23538

24
FAUCET Score

CVE-2022-23538 affects the sylabs/scs-library-client, a Go client for the Singularity Container Services (SCS) Container Library Service. It involves the improper leakage of HTTP Authorization headers to a third-party S3 backing storage provider during specific multi-part concurrent downloads, primarily impacting Singularity Enterprise 1.x installations. With a CVSS score of 7.6 HIGH, this vulnerability allows an attacker with access to the S3 service to extract user credentials, leading to potential impersonation and high confidentiality impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.3.2CPE matchmatch criteria
cpe:2.3:a:sylabs:singularity_container_services_library:1.3.2:*:*:*:*:*:*:*
1.3.3CPE matchmatch criteria
cpe:2.3:a:sylabs:singularity_container_services_library:1.3.3:*:*:*:*:*:*:*
1.4.0CPE matchmatch criteria
cpe:2.3:a:sylabs:singularity_container_services_library:1.4.0:*:*:*:*:*:*:*
1.4.1CPE matchmatch criteria
cpe:2.3:a:sylabs:singularity_container_services_library:1.4.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.2MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
0.9
Impact Score
4.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.71%
Probability of exploitation in next 30 days
EPSS Percentile
49.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0071 is in the 65th percentile among its peer group of 890 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.1 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
gopatch availablevia ghsa
Product: github.com/sylabs/scs-library-clientFixed in: 1.4.2
gopatch availablevia ghsa
Product: github.com/sylabs/scs-library-clientFixed in: 1.3.4

Vendor Advisories (1)

goGHSA-7p8m-22h4-9pj7medium

scs-library-client may leak user credentials to third-party service via HTTP redirect

Jan 20, 2023

References

github.com / sylabs/scs-library-client/commit/68ac4cab5cda0afd8758ff5b5e2e57be6a22fcfa
PatchThird Party Advisory
github.com / sylabs/scs-library-client/commit/b5db2aacba6bf1231f42dd475cc32e6355ab47b2
PatchThird Party Advisory
github.com / sylabs/scs-library-client/commit/eebd7caaab310b1fa803e55b8fc1acd9dcd2d00c
PatchThird Party Advisory
github.com / sylabs/scs-library-client/security/advisories/GHSA-7p8m-22h4-9pj7
Third Party Advisory