How severe is CVE-2017-5593?

CVE-2017-5593 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2017-5593 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-5593?

CVE-2017-5593 primarily affects Psi-plus Psi+. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-5593?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-5593 published?

CVE-2017-5593 was published on 2017-02-09 and last updated on 2026-06-17.

CVE-2017-5593

CVE-2017-5593 is a medium-severity vulnerability in Psi-plus Psi+ with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Psi-plus Psi+
Published: 2017-02-09
Last modified: 2026-06-17

Description

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 Psi+ (0.16.563.580 - 0.16.571.627).

Frequently asked questions

What is CVE-2017-5593?: 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 Psi+ (0.16.563.580 - 0.16.571.627).
How severe is CVE-2017-5593?: CVE-2017-5593 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2017-5593 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-5593?: CVE-2017-5593 primarily affects Psi-plus Psi+. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-5593?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-5593 published?: CVE-2017-5593 was published on 2017-02-09 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:psi-plus:psi\+:0.16.563.580:*:*:*:*:*:*:*
cpe:2.3:a:psi-plus:psi\+:0.16.571.627:*:*:*:*:*:*:*

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