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CVE-2024-34883· NVD / CVE Program· CNA mitre

Insufficiently protected credentials in DAV server settings in 1C-Bitrix Bitrix24 23.300.100 allow remote administrators to read proxy-serve

Insufficiently protected credentials in DAV server settings in 1C-Bitrix Bitrix24 23.300.100 allow remote administrators to read proxy-server accounts passwords via HTTP GET request.

MediumCVSS 4.9 · v3.1—No exploit No fix recorded
Published
Nov 4, 2024
Updated
Jul 5, 2026
EPSS
0.4% · 29th percentile
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Action score

19

Monitor

Low priority for now.

CVSS
19 / 40 · 4.9 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Affected systems

VendorProduct
bitrix24bitrix24

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • bitrix24 bitrix2423.300.100

Same product

bitrix24: all records

Other highest-scoring records for the same primary product.

  • CVE-2022-27228In the vote (aka "Polls, Votes") module before 21.0.100 of Bitrix Site Manager, a remote unauthenticated attacker can execute arbitrary code
    45Plan
  • CVE-2023-1719Bitrix24 Insecure Global Variable Extraction
    40Plan
  • CVE-2020-13484Bitrix24 through 20.0.975 allows SSRF via an intranet IP address in the services/main/ajax.php?action=attachUrlPreview url parameter, if the
    40Plan
  • CVE-2023-1717Bitrix24 Cross-Site Scripting (XSS) via Client-side Prototype Pollution
    38Monitor
  • CVE-2023-1716Bitrix24 Stored Cross-Site Scripting (XSS) via Improper Input Neutralization on Invoice Edit Page (2 of 2)
    38Monitor
  • CVE-2023-1718Bitrix24 Denial-of-Service (DoS) via Improper File Stream Access
    37Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2024-348850 days apartInsufficiently protected credentials in SMTP server settings in 1C-Bitrix Bitrix24 23.300.100 allows remote administrators to read SMTP acco
    27Monitor
  • CVE-2024-348820 days apartInsufficiently protected credentials in SMTP server settings in 1C-Bitrix Bitrix24 23.300.100 allows remote administrators to send SMTP acco
    19Monitor
  • CVE-2024-348870 days apartInsufficiently protected credentials in AD/LDAP server settings in 1C-Bitrix Bitrix24 23.300.100 allows remote administrators to send AD/LDA
    19Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • Administrator privileges are required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
none
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-522 · Insufficiently Protected Credentials

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records