7.5

CVE-2007-4752: openbsd openssh Improper Input Validation

Modified
AliasesDEBIAN-CVE-2007-4752
Published 12-09-2007Last modified 07-08-2024

Vulnerability summary

CVE-2007-4752 is a high (CVSS 7.5) Improper Input Validation vulnerability in openbsd openssh. EPSS estimates a 2.37% chance of exploitation in the next 30 days, higher than 83.8% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v2.0 (NVD)
EPSS score
2.37%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 1
DSA-1576-1OPENSUSE-SU-2024:11124-1RHSA-2008:0855

Timeline

  1. 12-09-2007
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

ssh in OpenSSH before 4.7 does not properly handle when an untrusted cookie cannot be created and uses a trusted X11 cookie instead, which allows attackers to violate intended policy and gain privileges by causing an X client to be treated as trusted.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.37%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.37% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Debian1 product
  • openssh< 1:4.7p1-1
Openbsd1 product
  • openssh≤ 4.6 | 4.0 | 4.0p1 | 4.1 | 4.1p1 | 4.2 | 4.2p1 | 4.3 | 4.3p1 | 4.3p2 | 4.4 | 4.4p1 | 4.5

2 vendors · 2 products

References

31 links
Show all 31 references