CVE-2017-5858

Exp

An incorrect implementation of "XEP-0280: Message Carbons" in multiple XMPP clients allows a remote attacker to impersonate any user, including contacts, in the vulnerable application's display. This allows for various kinds of social engineering attacks. This CVE is for Converse.js (0.8.0 - 1.0.6, 2.0.0 - 2.0.4).

Published: 2017-02-09 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-5858 is rated Exploit Available (58.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.94%). 3 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2017-5858

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2017-5858

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.25% 0.94% +0.69%
2 2025-11-21 0.24% 0.25% +0.02%
3 2025-11-18 — 0.24% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-5858

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.9 3.0 MEDIUM
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
 2.2 3.6 [email protected]
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2017-5858

GitHub Security Advisory for CVE-2017-5858

GHSA-w973-2qcc-p78x · Severity: medium · Ecosystem: npm — User Impersonation in converse.js

Affected software / configurations for CVE-2017-5858

Vendor Product Version Raw CPE
conversejs converse.js 0.8.0 cpe:2.3:a:conversejs:converse.js:0.8.0:*:*:*:*:*:*:*
conversejs converse.js 0.8.1 cpe:2.3:a:conversejs:converse.js:0.8.1:*:*:*:*:*:*:*
conversejs converse.js 0.8.2 cpe:2.3:a:conversejs:converse.js:0.8.2:*:*:*:*:*:*:*
conversejs converse.js 0.8.3 cpe:2.3:a:conversejs:converse.js:0.8.3:*:*:*:*:*:*:*
conversejs converse.js 0.8.4 cpe:2.3:a:conversejs:converse.js:0.8.4:*:*:*:*:*:*:*
conversejs converse.js 0.8.5 cpe:2.3:a:conversejs:converse.js:0.8.5:*:*:*:*:*:*:*
conversejs converse.js 0.8.6 cpe:2.3:a:conversejs:converse.js:0.8.6:*:*:*:*:*:*:*
conversejs converse.js 0.9.0 cpe:2.3:a:conversejs:converse.js:0.9.0:*:*:*:*:*:*:*
conversejs converse.js 0.9.1 cpe:2.3:a:conversejs:converse.js:0.9.1:*:*:*:*:*:*:*
conversejs converse.js 0.9.2 cpe:2.3:a:conversejs:converse.js:0.9.2:*:*:*:*:*:*:*
conversejs converse.js 0.9.3 cpe:2.3:a:conversejs:converse.js:0.9.3:*:*:*:*:*:*:*
conversejs converse.js 0.9.4 cpe:2.3:a:conversejs:converse.js:0.9.4:*:*:*:*:*:*:*
conversejs converse.js 0.9.5 cpe:2.3:a:conversejs:converse.js:0.9.5:*:*:*:*:*:*:*
conversejs converse.js 0.9.6 cpe:2.3:a:conversejs:converse.js:0.9.6:*:*:*:*:*:*:*
conversejs converse.js 0.10.0 cpe:2.3:a:conversejs:converse.js:0.10.0:*:*:*:*:*:*:*
conversejs converse.js 0.10.1 cpe:2.3:a:conversejs:converse.js:0.10.1:*:*:*:*:*:*:*
conversejs converse.js 1.0.0 cpe:2.3:a:conversejs:converse.js:1.0.0:*:*:*:*:*:*:*
conversejs converse.js 1.0.1 cpe:2.3:a:conversejs:converse.js:1.0.1:*:*:*:*:*:*:*
conversejs converse.js 1.0.2 cpe:2.3:a:conversejs:converse.js:1.0.2:*:*:*:*:*:*:*
conversejs converse.js 1.0.3 cpe:2.3:a:conversejs:converse.js:1.0.3:*:*:*:*:*:*:*
conversejs converse.js 1.0.4 cpe:2.3:a:conversejs:converse.js:1.0.4:*:*:*:*:*:*:*
conversejs converse.js 1.0.5 cpe:2.3:a:conversejs:converse.js:1.0.5:*:*:*:*:*:*:*
conversejs converse.js 1.0.6 cpe:2.3:a:conversejs:converse.js:1.0.6:*:*:*:*:*:*:*
conversejs converse.js 2.0.0 cpe:2.3:a:conversejs:converse.js:2.0.0:*:*:*:*:*:*:*
conversejs converse.js 2.0.1 cpe:2.3:a:conversejs:converse.js:2.0.1:*:*:*:*:*:*:*
conversejs converse.js 2.0.2 cpe:2.3:a:conversejs:converse.js:2.0.2:*:*:*:*:*:*:*
conversejs converse.js 2.0.3 cpe:2.3:a:conversejs:converse.js:2.0.3:*:*:*:*:*:*:*
conversejs converse.js 2.0.4 cpe:2.3:a:conversejs:converse.js:2.0.4:*:*:*:*:*:*:*

References for CVE-2017-5858

cvelogic Threat Intelligence